47957912 has 8 divisors (see below), whose sum is σ = 89921100. Its totient is φ = 23978952.

The previous prime is 47957911. The next prime is 47957927. The reversal of 47957912 is 21975974.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×47957912² = 4599922646799488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47957911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2997362 + ... + 2997377.

Almost surely, 2^47957912 is an apocalyptic number.

It is an amenable number.

47957912 is a deficient number, since it is larger than the sum of its proper divisors (41963188).

47957912 is a wasteful number, since it uses less digits than its factorization.

47957912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994745 (or 5994741 counting only the distinct ones).

The product of its digits is 158760, while the sum is 44.

The square root of 47957912 is about 6925.1651243851. The cubic root of 47957912 is about 363.3178667116.

The spelling of 47957912 in words is "forty-seven million, nine hundred fifty-seven thousand, nine hundred twelve".