85556195140 has 24 divisors (see below), whose sum is σ = 193488626520. Its totient is φ = 31589979648.

The previous prime is 85556195111. The next prime is 85556195203. The reversal of 85556195140 is 4159165558.

It can be written as a sum of positive squares in 4 ways, for example, as 12876348676 + 72679846464 = 113474^2 + 269592^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164530885 + ... + 164531404.

It is an arithmetic number, because the mean of its divisors is an integer number (8062026105).

Almost surely, 2^85556195140 is an apocalyptic number.

It is an amenable number.

85556195140 is an abundant number, since it is smaller than the sum of its proper divisors (107932431380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85556195140 is a wasteful number, since it uses less digits than its factorization.

85556195140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329062311 (or 329062309 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 49.

The spelling of 85556195140 in words is "eighty-five billion, five hundred fifty-six million, one hundred ninety-five thousand, one hundred forty".