85465656456 has 32 divisors (see below), whose sum is σ = 213764252640. Its totient is φ = 28475203968.

The previous prime is 85465656449. The next prime is 85465656499. The reversal of 85465656456 is 65465656458.

It is a self number, because there is not a number n which added to its sum of digits gives 85465656456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781906 + ... + 884481.

It is an arithmetic number, because the mean of its divisors is an integer number (6680132895).

Almost surely, 2^85465656456 is an apocalyptic number.

It is an amenable number.

85465656456 is an abundant number, since it is smaller than the sum of its proper divisors (128298596184).

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

85465656456 is a wasteful number, since it uses less digits than its factorization.

85465656456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668533 (or 1668529 counting only the distinct ones).

The product of its digits is 103680000, while the sum is 60.

The spelling of 85465656456 in words is "eighty-five billion, four hundred sixty-five million, six hundred fifty-six thousand, four hundred fifty-six".