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864048077 is a prime number
BaseRepresentation
bin110011100000000…
…101001111001101
32020012212012010122
4303200011033031
53232144014302
6221423314325
730261200414
oct6340051715
92205765118
10864048077
11403807122
1220144b9a5
1310a019569
1482a7c47b
1550cc93a2
hex338053cd

864048077 has 2 divisors, whose sum is σ = 864048078. Its totient is φ = 864048076.

The previous prime is 864048071. The next prime is 864048079. The reversal of 864048077 is 770840468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514881481 + 349166596 = 22691^2 + 18686^2 .

It is a cyclic number.

It is not a de Polignac number, because 864048077 - 224 = 847270861 is a prime.

Together with 864048079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864048071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432024038 + 432024039.

It is an arithmetic number, because the mean of its divisors is an integer number (432024039).

Almost surely, 2864048077 is an apocalyptic number.

It is an amenable number.

864048077 is a deficient number, since it is larger than the sum of its proper divisors (1).

864048077 is an equidigital number, since it uses as much as digits as its factorization.

864048077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 864048077 is about 29394.6947083993. The cubic root of 864048077 is about 952.4582969367.

The spelling of 864048077 in words is "eight hundred sixty-four million, forty-eight thousand, seventy-seven".