85158885158 has 16 divisors (see below), whose sum is σ = 128675790000. Its totient is φ = 42267311712.

The previous prime is 85158885137. The next prime is 85158885271.

85158885158 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85158885158.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 394208 + ... + 570716.

It is an arithmetic number, because the mean of its divisors is an integer number (8042236875).

Almost surely, 2^85158885158 is an apocalyptic number.

85158885158 is a deficient number, since it is larger than the sum of its proper divisors (43516904842).

85158885158 is a wasteful number, since it uses less digits than its factorization.

85158885158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178279.

The product of its digits is 20480000, while the sum is 62.

The spelling of 85158885158 in words is "eighty-five billion, one hundred fifty-eight million, eight hundred eighty-five thousand, one hundred fifty-eight".