85154607912 has 32 divisors (see below), whose sum is σ = 232239840480. Its totient is φ = 25804426560.

The previous prime is 85154607851. The next prime is 85154607931. The reversal of 85154607912 is 21970645158.

It is a happy number.

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, 161277403 + ... + 161277930.

It is an arithmetic number, because the mean of its divisors is an integer number (7257495015).

Almost surely, 2^85154607912 is an apocalyptic number.

It is an amenable number.

85154607912 is an abundant number, since it is smaller than the sum of its proper divisors (147085232568).

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

85154607912 is a wasteful number, since it uses less digits than its factorization.

85154607912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322555353 (or 322555349 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 85154607912 in words is "eighty-five billion, one hundred fifty-four million, six hundred seven thousand, nine hundred twelve".