8012072664 has 64 divisors (see below), whose sum is σ = 23564930400. Its totient is φ = 2513590272.

The previous prime is 8012072659. The next prime is 8012072683. The reversal of 8012072664 is 4662702108.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087297 + ... + 1094640.

Almost surely, 2^8012072664 is an apocalyptic number.

It is an amenable number.

8012072664 is an abundant number, since it is smaller than the sum of its proper divisors (15552857736).

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

8012072664 is a wasteful number, since it uses less digits than its factorization.

8012072664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181969 (or 2181959 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8012072664 is about 89510.1819012787. The cubic root of 8012072664 is about 2001.0055496835.

The spelling of 8012072664 in words is "eight billion, twelve million, seventy-two thousand, six hundred sixty-four".