85792865177 has 2 divisors, whose sum is σ = 85792865178. Its totient is φ = 85792865176.

The previous prime is 85792865143. The next prime is 85792865201. The reversal of 85792865177 is 77156829758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77037333136 + 8755532041 = 277556^2 + 93571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85792865177 is a prime.

It is not a weakly prime, because it can be changed into another prime (85792868177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42896432588 + 42896432589.

It is an arithmetic number, because the mean of its divisors is an integer number (42896432589).

Almost surely, 2^85792865177 is an apocalyptic number.

It is an amenable number.

85792865177 is a deficient number, since it is larger than the sum of its proper divisors (1).

85792865177 is an equidigital number, since it uses as much as digits as its factorization.

85792865177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59270400, while the sum is 65.

The spelling of 85792865177 in words is "eighty-five billion, seven hundred ninety-two million, eight hundred sixty-five thousand, one hundred seventy-seven".