7999886364 has 24 divisors (see below), whose sum is σ = 18673607568. Its totient is φ = 2665599360.

The previous prime is 7999886357. The next prime is 7999886387. The reversal of 7999886364 is 4636889997.

It is a congruent number.

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, 95967 + ... + 158774.

It is an arithmetic number, because the mean of its divisors is an integer number (778066982).

Almost surely, 2^7999886364 is an apocalyptic number.

It is an amenable number.

7999886364 is an abundant number, since it is smaller than the sum of its proper divisors (10673721204).

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

7999886364 is a wasteful number, since it uses less digits than its factorization.

7999886364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257365 (or 257363 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 69.

The square root of 7999886364 is about 89442.0838531840. The cubic root of 7999886364 is about 1999.9905302885.

The spelling of 7999886364 in words is "seven billion, nine hundred ninety-nine million, eight hundred eighty-six thousand, three hundred sixty-four".