47905842816 has 96 divisors (see below), whose sum is σ = 148458257220. Its totient is φ = 14740254720.

The previous prime is 47905842779. The next prime is 47905842857. The reversal of 47905842816 is 61824850974.

It is a happy number.

47905842816 is a `hidden beast` number, since 47 + 9 + 0 + 584 + 2 + 8 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43948929600 + 3956913216 = 209640^2 + 62904^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×47905842816² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1584445 + ... + 1614396.

Almost surely, 2^47905842816 is an apocalyptic number.

It is an amenable number.

47905842816 is an abundant number, since it is smaller than the sum of its proper divisors (100552414404).

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

47905842816 is a wasteful number, since it uses less digits than its factorization.

47905842816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198874 (or 3198859 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 47905842816 in words is "forty-seven billion, nine hundred five million, eight hundred forty-two thousand, eight hundred sixteen".