47689878 has 16 divisors (see below), whose sum is σ = 96687216. Its totient is φ = 15678720.

The previous prime is 47689843. The next prime is 47689903. The reversal of 47689878 is 87898674.

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, 54003 + ... + 54878.

It is an arithmetic number, because the mean of its divisors is an integer number (6042951).

Almost surely, 2^47689878 is an apocalyptic number.

47689878 is an abundant number, since it is smaller than the sum of its proper divisors (48997338).

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

47689878 is a wasteful number, since it uses less digits than its factorization.

47689878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108959.

The product of its digits is 5419008, while the sum is 57.

The square root of 47689878 is about 6905.7858350806. The cubic root of 47689878 is about 362.6397476250.

The spelling of 47689878 in words is "forty-seven million, six hundred eighty-nine thousand, eight hundred seventy-eight".