47715888 has 40 divisors (see below), whose sum is σ = 134473536. Its totient is φ = 14459200.

The previous prime is 47715887. The next prime is 47715893. The reversal of 47715888 is 88851774.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (47715881) 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, 44658 + ... + 45713.

Almost surely, 2^47715888 is an apocalyptic number.

47715888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47715888 is an abundant number, since it is smaller than the sum of its proper divisors (86757648).

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

47715888 is a wasteful number, since it uses less digits than its factorization.

47715888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90393 (or 90387 counting only the distinct ones).

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

The square root of 47715888 is about 6907.6687818685. The cubic root of 47715888 is about 362.7056633984.

The spelling of 47715888 in words is "forty-seven million, seven hundred fifteen thousand, eight hundred eighty-eight".