47885988 has 24 divisors (see below), whose sum is σ = 112166208. Its totient is φ = 15900256.

The previous prime is 47885983. The next prime is 47886001. The reversal of 47885988 is 88958874.

It is a super-2 number, since 2×47885988² = 4586135693472288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47885983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4431 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (4673592).

Almost surely, 2^47885988 is an apocalyptic number.

It is an amenable number.

47885988 is an abundant number, since it is smaller than the sum of its proper divisors (64280220).

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

47885988 is a wasteful number, since it uses less digits than its factorization.

47885988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15443 (or 15441 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 57.

The square root of 47885988 is about 6919.9702311498. The cubic root of 47885988 is about 363.1361494005.

The spelling of 47885988 in words is "forty-seven million, eight hundred eighty-five thousand, nine hundred eighty-eight".