47888738 has 16 divisors (see below), whose sum is σ = 75962880. Its totient is φ = 22605600.

The previous prime is 47888699. The next prime is 47888791. The reversal of 47888738 is 83788874.

It is a happy number.

It is a Curzon number.

It is a zygodrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 47888738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6878 + ... + 11961.

It is an arithmetic number, because the mean of its divisors is an integer number (4747680).

Almost surely, 2^47888738 is an apocalyptic number.

47888738 is a deficient number, since it is larger than the sum of its proper divisors (28074142).

47888738 is a wasteful number, since it uses less digits than its factorization.

47888738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18913.

The product of its digits is 2408448, while the sum is 53.

The square root of 47888738 is about 6920.1689285739. The cubic root of 47888738 is about 363.1431006705.

The spelling of 47888738 in words is "forty-seven million, eight hundred eighty-eight thousand, seven hundred thirty-eight".