47615988 has 24 divisors (see below), whose sum is σ = 126976192. Its totient is φ = 13604544.

The previous prime is 47615977. The next prime is 47615993. The reversal of 47615988 is 88951674.

It is a super-2 number, since 2×47615988² = 4534564626432288, 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 7 ways as a sum of consecutive naturals, for example, 283345 + ... + 283512.

Almost surely, 2^47615988 is an apocalyptic number.

It is an amenable number.

47615988 is an abundant number, since it is smaller than the sum of its proper divisors (79360204).

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

47615988 is a wasteful number, since it uses less digits than its factorization.

47615988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566871 (or 566869 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 47615988 is about 6900.4338994008. The cubic root of 47615988 is about 362.4523612387.

The spelling of 47615988 in words is "forty-seven million, six hundred fifteen thousand, nine hundred eighty-eight".