864292884672 has 56 divisors (see below), whose sum is σ = 2613457060096. Its totient is φ = 246940823808.

The previous prime is 864292884649. The next prime is 864292884683. The reversal of 864292884672 is 276488292468.

864292884672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

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, 321536188 + ... + 321538875.

Almost surely, 2^864292884672 is an apocalyptic number.

It is an amenable number.

864292884672 is an abundant number, since it is smaller than the sum of its proper divisors (1749164175424).

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

864292884672 is a wasteful number, since it uses less digits than its factorization.

864292884672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643075085 (or 643075075 counting only the distinct ones).

The product of its digits is 148635648, while the sum is 66.

The spelling of 864292884672 in words is "eight hundred sixty-four billion, two hundred ninety-two million, eight hundred eighty-four thousand, six hundred seventy-two".