47415315172 has 12 divisors (see below), whose sum is σ = 85838070780. Its totient is φ = 22890152096.

The previous prime is 47415315169. The next prime is 47415315187. The reversal of 47415315172 is 27151351474.

It can be written as a sum of positive squares in 2 ways, for example, as 19400589796 + 28014725376 = 139286^2 + 167376^2 .

It is a super-2 number, since 2×47415315172² (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 3 ways as a sum of consecutive naturals, for example, 204376243 + ... + 204376474.

It is an arithmetic number, because the mean of its divisors is an integer number (7153172565).

Almost surely, 2^47415315172 is an apocalyptic number.

It is an amenable number.

47415315172 is a deficient number, since it is larger than the sum of its proper divisors (38422755608).

47415315172 is a wasteful number, since it uses less digits than its factorization.

47415315172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408752750 (or 408752748 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The spelling of 47415315172 in words is "forty-seven billion, four hundred fifteen million, three hundred fifteen thousand, one hundred seventy-two".