85556170870 has 16 divisors (see below), whose sum is σ = 154035740448. Its totient is φ = 34214772160.

The previous prime is 85556170811. The next prime is 85556170877. The reversal of 85556170870 is 7807165558.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85556170877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915226 + ... + 1004365.

It is an arithmetic number, because the mean of its divisors is an integer number (9627233778).

Almost surely, 2^85556170870 is an apocalyptic number.

85556170870 is a deficient number, since it is larger than the sum of its proper divisors (68479569578).

85556170870 is a wasteful number, since it uses less digits than its factorization.

85556170870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924055.

The product of its (nonzero) digits is 2352000, while the sum is 52.

The spelling of 85556170870 in words is "eighty-five billion, five hundred fifty-six million, one hundred seventy thousand, eight hundred seventy".