85900923179 has 2 divisors, whose sum is σ = 85900923180. Its totient is φ = 85900923178.

The previous prime is 85900923169. The next prime is 85900923191. The reversal of 85900923179 is 97132900958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85900923179 - 2⁸ = 85900922923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85900923179.

It is not a weakly prime, because it can be changed into another prime (85900923139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42950461589 + 42950461590.

It is an arithmetic number, because the mean of its divisors is an integer number (42950461590).

Almost surely, 2^85900923179 is an apocalyptic number.

85900923179 is a deficient number, since it is larger than the sum of its proper divisors (1).

85900923179 is an equidigital number, since it uses as much as digits as its factorization.

85900923179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The spelling of 85900923179 in words is "eighty-five billion, nine hundred million, nine hundred twenty-three thousand, one hundred seventy-nine".