47475057915 has 24 divisors (see below), whose sum is σ = 82297378800. Its totient is φ = 25317791424.

The previous prime is 47475057893. The next prime is 47475057943. The reversal of 47475057915 is 51975057474.

47475057915 is a `hidden beast` number, since 4 + 7 + 4 + 7 + 50 + 579 + 15 = 666.

It is not a de Polignac number, because 47475057915 - 2⁸ = 47475057659 is a prime.

It is a super-2 number, since 2×47475057915² (a number of 22 digits) contains 22 as substring.

47475057915 is a modest number, since divided by 57915 gives 47475 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552261 + ... + 632409.

It is an arithmetic number, because the mean of its divisors is an integer number (3429057450).

Almost surely, 2^47475057915 is an apocalyptic number.

47475057915 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47475057915 is a deficient number, since it is larger than the sum of its proper divisors (34822320885).

47475057915 is a wasteful number, since it uses less digits than its factorization.

47475057915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93323 (or 93320 counting only the distinct ones).

The product of its (nonzero) digits is 6174000, while the sum is 54.

The spelling of 47475057915 in words is "forty-seven billion, four hundred seventy-five million, fifty-seven thousand, nine hundred fifteen".