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1086868877 = 4126508997
BaseRepresentation
bin100000011001000…
…0100110110001101
32210202010122210212
41000302010312031
54211214301002
6255503212205
735635142633
oct10062046615
92722118725
101086868877
11508566746
12263ba7065
13144233ba3
14a44c1353
1565640352
hex40c84d8d

1086868877 has 4 divisors (see below), whose sum is σ = 1113377916. Its totient is φ = 1060359840.

The previous prime is 1086868823. The next prime is 1086868891. The reversal of 1086868877 is 7788686801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7788686801 = 71112669543.

It can be written as a sum of positive squares in 2 ways, for example, as 493995076 + 592873801 = 22226^2 + 24349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1086868877 - 210 = 1086867853 is a prime.

It is a super-2 number, since 2×10868688772 = 2362567911582482258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086868577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13254458 + ... + 13254539.

It is an arithmetic number, because the mean of its divisors is an integer number (278344479).

Almost surely, 21086868877 is an apocalyptic number.

It is an amenable number.

1086868877 is a deficient number, since it is larger than the sum of its proper divisors (26509039).

1086868877 is an equidigital number, since it uses as much as digits as its factorization.

1086868877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26509038.

The product of its (nonzero) digits is 7225344, while the sum is 59.

The square root of 1086868877 is about 32967.6944447136. The cubic root of 1086868877 is about 1028.1560867249.

The spelling of 1086868877 in words is "one billion, eighty-six million, eight hundred sixty-eight thousand, eight hundred seventy-seven".

Divisors: 1 41 26508997 1086868877