47931108 has 24 divisors (see below), whose sum is σ = 111978048. Its totient is φ = 15957216.

The previous prime is 47931101. The next prime is 47931127. The reversal of 47931108 is 80113974.

It is a super-2 number, since 2×47931108² = 4594782228215328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47931101) 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, 10185 + ... + 14127.

It is an arithmetic number, because the mean of its divisors is an integer number (4665752).

Almost surely, 2^47931108 is an apocalyptic number.

It is an amenable number.

47931108 is an abundant number, since it is smaller than the sum of its proper divisors (64046940).

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

47931108 is a wasteful number, since it uses less digits than its factorization.

47931108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 47931108 is about 6923.2295931884. The cubic root of 47931108 is about 363.2501671632.

The spelling of 47931108 in words is "forty-seven million, nine hundred thirty-one thousand, one hundred eight".