47918508 has 24 divisors (see below), whose sum is σ = 121974720. Its totient is φ = 14520720.

The previous prime is 47918503. The next prime is 47918509. The reversal of 47918508 is 80581974.

It is a self number, because there is not a number n which added to its sum of digits gives 47918508.

It is not an unprimeable number, because it can be changed into a prime (47918501) 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, 181378 + ... + 181641.

It is an arithmetic number, because the mean of its divisors is an integer number (5082280).

Almost surely, 2^47918508 is an apocalyptic number.

It is an amenable number.

47918508 is an abundant number, since it is smaller than the sum of its proper divisors (74056212).

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

47918508 is a wasteful number, since it uses less digits than its factorization.

47918508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363037 (or 363035 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 47918508 is about 6922.3195534445. The cubic root of 47918508 is about 363.2183342999.

The spelling of 47918508 in words is "forty-seven million, nine hundred eighteen thousand, five hundred eight".