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88938877883987 = 641138750199507
BaseRepresentation
bin10100001110001110110010…
…001110010001011001010011
3102122220110210022121122102202
4110032032302032101121103
543124133310214241422
6513053542332033415
724506423206353635
oct2416166216213123
9378813708548382
1088938877883987
112637a847a2a8aa
129b84b4a30286b
133a81b9196c751
1417d6943b6ca55
15a4378710db92
hex50e3b2391653

88938877883987 has 4 divisors (see below), whose sum is σ = 89077628084136. Its totient is φ = 88800127683840.

The previous prime is 88938877883983. The next prime is 88938877884013. The reversal of 88938877883987 is 78938877883988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88938877883987 - 22 = 88938877883983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88938877883983) 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, 69375099113 + ... + 69375100394.

It is an arithmetic number, because the mean of its divisors is an integer number (22269407021034).

Almost surely, 288938877883987 is an apocalyptic number.

88938877883987 is a deficient number, since it is larger than the sum of its proper divisors (138750200149).

88938877883987 is a wasteful number, since it uses less digits than its factorization.

88938877883987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138750200148.

The product of its digits is 524386566144, while the sum is 101.

Subtracting from 88938877883987 its reverse (78938877883988), we obtain a palindrome (9999999999999).

The spelling of 88938877883987 in words is "eighty-eight trillion, nine hundred thirty-eight billion, eight hundred seventy-seven million, eight hundred eighty-three thousand, nine hundred eighty-seven".

Divisors: 1 641 138750199507 88938877883987