47099971886 has 16 divisors (see below), whose sum is σ = 77709649968. Its totient is φ = 21409076920.

The previous prime is 47099971847. The next prime is 47099971913. The reversal of 47099971886 is 68817999074.

47099971886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 8844065 + ... + 8849388.

It is an arithmetic number, because the mean of its divisors is an integer number (4856853123).

Almost surely, 2^47099971886 is an apocalyptic number.

47099971886 is a deficient number, since it is larger than the sum of its proper divisors (30609678082).

47099971886 is a wasteful number, since it uses less digits than its factorization.

47099971886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17693488 (or 17693466 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 68.

The spelling of 47099971886 in words is "forty-seven billion, ninety-nine million, nine hundred seventy-one thousand, eight hundred eighty-six".