8051393864 has 16 divisors (see below), whose sum is σ = 15110908800. Its totient is φ = 4021818192.

The previous prime is 8051393837. The next prime is 8051393947. The reversal of 8051393864 is 4683931508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476012 + ... + 492635.

It is an arithmetic number, because the mean of its divisors is an integer number (944431800).

Almost surely, 2^8051393864 is an apocalyptic number.

It is an amenable number.

8051393864 is a deficient number, since it is larger than the sum of its proper divisors (7059514936).

8051393864 is a wasteful number, since it uses less digits than its factorization.

8051393864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969692 (or 969688 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 8051393864 is about 89729.5595887999. The cubic root of 8051393864 is about 2004.2736833108.

The spelling of 8051393864 in words is "eight billion, fifty-one million, three hundred ninety-three thousand, eight hundred sixty-four".