85939315867 has 2 divisors, whose sum is σ = 85939315868. Its totient is φ = 85939315866.

The previous prime is 85939315859. The next prime is 85939315883. The reversal of 85939315867 is 76851393958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85939315867 - 2³ = 85939315859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85939315799 and 85939315808.

It is not a weakly prime, because it can be changed into another prime (85939315817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42969657933 + 42969657934.

It is an arithmetic number, because the mean of its divisors is an integer number (42969657934).

Almost surely, 2^85939315867 is an apocalyptic number.

85939315867 is a deficient number, since it is larger than the sum of its proper divisors (1).

85939315867 is an equidigital number, since it uses as much as digits as its factorization.

85939315867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 64.

The spelling of 85939315867 in words is "eighty-five billion, nine hundred thirty-nine million, three hundred fifteen thousand, eight hundred sixty-seven".