47785864 has 16 divisors (see below), whose sum is σ = 102398400. Its totient is φ = 20479632.

The previous prime is 47785847. The next prime is 47785883. The reversal of 47785864 is 46858774.

It is a happy 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, 426604 + ... + 426715.

It is an arithmetic number, because the mean of its divisors is an integer number (6399900).

Almost surely, 2^47785864 is an apocalyptic number.

It is an amenable number.

47785864 is an abundant number, since it is smaller than the sum of its proper divisors (54612536).

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

47785864 is a wasteful number, since it uses less digits than its factorization.

47785864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853332 (or 853328 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 47785864 is about 6912.7320214225. The cubic root of 47785864 is about 362.8828810620.

The spelling of 47785864 in words is "forty-seven million, seven hundred eighty-five thousand, eight hundred sixty-four".