7864405612 has 48 divisors (see below), whose sum is σ = 15964361280. Its totient is φ = 3320266752.

The previous prime is 7864405607. The next prime is 7864405631. The reversal of 7864405612 is 2165044687.

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, 684588 + ... + 695980.

It is an arithmetic number, because the mean of its divisors is an integer number (332590860).

Almost surely, 2^7864405612 is an apocalyptic number.

It is an amenable number.

7864405612 is an abundant number, since it is smaller than the sum of its proper divisors (8099955668).

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

7864405612 is a wasteful number, since it uses less digits than its factorization.

7864405612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11770 (or 11768 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 7864405612 is about 88681.4840426117. The cubic root of 7864405612 is about 1988.6360199407.

The spelling of 7864405612 in words is "seven billion, eight hundred sixty-four million, four hundred five thousand, six hundred twelve".