47518788 has 12 divisors (see below), whose sum is σ = 110877200. Its totient is φ = 15839592.

The previous prime is 47518787. The next prime is 47518811. The reversal of 47518788 is 88781574.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (47518781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979938 + ... + 1979961.

Almost surely, 2^47518788 is an apocalyptic number.

It is an amenable number.

47518788 is an abundant number, since it is smaller than the sum of its proper divisors (63358412).

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

47518788 is a wasteful number, since it uses less digits than its factorization.

47518788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959906 (or 3959904 counting only the distinct ones).

The product of its digits is 501760, while the sum is 48.

The square root of 47518788 is about 6893.3872660688. The cubic root of 47518788 is about 362.2055647984.

The spelling of 47518788 in words is "forty-seven million, five hundred eighteen thousand, seven hundred eighty-eight".