85864319624 has 32 divisors (see below), whose sum is σ = 168103728000. Its totient is φ = 41039066112.

The previous prime is 85864319543. The next prime is 85864319687. The reversal of 85864319624 is 42691346858.

It is a self number, because there is not a number n which added to its sum of digits gives 85864319624.

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, 137192 + ... + 436520.

It is an arithmetic number, because the mean of its divisors is an integer number (5253241500).

Almost surely, 2^85864319624 is an apocalyptic number.

It is an amenable number.

85864319624 is a deficient number, since it is larger than the sum of its proper divisors (82239408376).

85864319624 is a wasteful number, since it uses less digits than its factorization.

85864319624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300917 (or 300913 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 56.

The spelling of 85864319624 in words is "eighty-five billion, eight hundred sixty-four million, three hundred nineteen thousand, six hundred twenty-four".