47959812 has 18 divisors (see below), whose sum is σ = 121231838. Its totient is φ = 15986592.

The previous prime is 47959811. The next prime is 47959817. The reversal of 47959812 is 21895974.

47959812 is a `hidden beast` number, since 47 + 9 + 598 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33942276 + 14017536 = 5826^2 + 3744^2 .

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

It is not an unprimeable number, because it can be changed into a prime (47959811) 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, 666073 + ... + 666144.

Almost surely, 2^47959812 is an apocalyptic number.

It is an amenable number.

47959812 is an abundant number, since it is smaller than the sum of its proper divisors (73272026).

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

47959812 is a wasteful number, since it uses less digits than its factorization.

47959812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332227 (or 1332222 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 47959812 is about 6925.3023038709. The cubic root of 47959812 is about 363.3226646326.

The spelling of 47959812 in words is "forty-seven million, nine hundred fifty-nine thousand, eight hundred twelve".