47872864 has 24 divisors (see below), whose sum is σ = 101500560. Its totient is φ = 22094976.

The previous prime is 47872859. The next prime is 47872873. The reversal of 47872864 is 46827874.

It is a super-2 number, since 2×47872864² = 4583622215124992, which contains 22 as substring.

It is a congruent number.

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, 57124 + ... + 57955.

It is an arithmetic number, because the mean of its divisors is an integer number (4229190).

Almost surely, 2^47872864 is an apocalyptic number.

It is an amenable number.

47872864 is an abundant number, since it is smaller than the sum of its proper divisors (53627696).

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

47872864 is a wasteful number, since it uses less digits than its factorization.

47872864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115102 (or 115094 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 47872864 is about 6919.0218961931. The cubic root of 47872864 is about 363.1029717461.

The spelling of 47872864 in words is "forty-seven million, eight hundred seventy-two thousand, eight hundred sixty-four".