85465013956 has 48 divisors (see below), whose sum is σ = 178473980160. Its totient is φ = 35013306240.

The previous prime is 85465013947. The next prime is 85465013987. The reversal of 85465013956 is 65931056458.

It is a super-2 number, since 2×85465013956² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002990 + ... + 1084858.

It is an arithmetic number, because the mean of its divisors is an integer number (3718207920).

Almost surely, 2^85465013956 is an apocalyptic number.

It is an amenable number.

85465013956 is an abundant number, since it is smaller than the sum of its proper divisors (93008966204).

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

85465013956 is a wasteful number, since it uses less digits than its factorization.

85465013956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83524 (or 83522 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 85465013956 in words is "eighty-five billion, four hundred sixty-five million, thirteen thousand, nine hundred fifty-six".