47187023177 has 12 divisors (see below), whose sum is σ = 55790883396. Its totient is φ = 39782967840.

The previous prime is 47187023171. The next prime is 47187023179. The reversal of 47187023177 is 77132078174.

It is a happy number.

47187023177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 425555641 + 46761467536 = 20629^2 + 216244^2 .

It is not a de Polignac number, because 47187023177 - 2⁴ = 47187023161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47187023171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7890458 + ... + 7896435.

It is an arithmetic number, because the mean of its divisors is an integer number (4649240283).

Almost surely, 2^47187023177 is an apocalyptic number.

It is an amenable number.

47187023177 is a deficient number, since it is larger than the sum of its proper divisors (8603860219).

47187023177 is a wasteful number, since it uses less digits than its factorization.

47187023177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15786968 (or 15786961 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 47.

The spelling of 47187023177 in words is "forty-seven billion, one hundred eighty-seven million, twenty-three thousand, one hundred seventy-seven".