47108988 has 18 divisors (see below), whose sum is σ = 119081144. Its totient is φ = 15702984.

The previous prime is 47108987. The next prime is 47109001. The reversal of 47108988 is 88980174.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47108981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 654256 + ... + 654327.

Almost surely, 2^47108988 is an apocalyptic number.

It is an amenable number.

47108988 is an abundant number, since it is smaller than the sum of its proper divisors (71972156).

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

47108988 is a wasteful number, since it uses less digits than its factorization.

47108988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308593 (or 1308588 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 47108988 is about 6863.5987644967. The cubic root of 47108988 is about 361.1613421319.

The spelling of 47108988 in words is "forty-seven million, one hundred eight thousand, nine hundred eighty-eight".