47779888 has 20 divisors (see below), whose sum is σ = 99695008. Its totient is φ = 22052160.

The previous prime is 47779867. The next prime is 47779931. The reversal of 47779888 is 88897774.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114648 + ... + 115063.

Almost surely, 2^47779888 is an apocalyptic number.

It is an amenable number.

47779888 is an abundant number, since it is smaller than the sum of its proper divisors (51915120).

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

47779888 is a wasteful number, since it uses less digits than its factorization.

47779888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229732 (or 229726 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 58.

The square root of 47779888 is about 6912.2997620184. The cubic root of 47779888 is about 362.8677533071.

The spelling of 47779888 in words is "forty-seven million, seven hundred seventy-nine thousand, eight hundred eighty-eight".