47678864 has 20 divisors (see below), whose sum is σ = 92534256. Its totient is φ = 23799072.

The previous prime is 47678857. The next prime is 47678887. The reversal of 47678864 is 46887674.

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, 8747 + ... + 13109.

Almost surely, 2^47678864 is an apocalyptic number.

It is an amenable number.

47678864 is a deficient number, since it is larger than the sum of its proper divisors (44855392).

47678864 is a wasteful number, since it uses less digits than its factorization.

47678864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054 (or 5048 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 47678864 is about 6904.9883417715. The cubic root of 47678864 is about 362.6118282015.

It can be divided in two parts, 4767 and 8864, that added together give a palindrome (13631).

The spelling of 47678864 in words is "forty-seven million, six hundred seventy-eight thousand, eight hundred sixty-four".