47731188956904 has 24 divisors (see below), whose sum is σ = 129271970091810. Its totient is φ = 15910396318944.

The previous prime is 47731188956897. The next prime is 47731188956917. The reversal of 47731188956904 is 40965988113774.

47731188956904 is a `hidden beast` number, since 47 + 7 + 3 + 1 + 18 + 8 + 9 + 569 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27178476036804 + 20552712920100 = 5213298^2 + 4533510^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 662933179957 = 47731188956904 / (4 + 7 + 7 + 3 + 1 + 1 + 8 + 8 + 9 + 5 + 6 + 9 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 331466589907 + ... + 331466590050.

Almost surely, 2^{47731188956904} is an apocalyptic number.

It is an amenable number.

47731188956904 is an abundant number, since it is smaller than the sum of its proper divisors (81540781134906).

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

47731188956904 is a wasteful number, since it uses less digits than its factorization.

47731188956904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662933179969 (or 662933179962 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 72.

The spelling of 47731188956904 in words is "forty-seven trillion, seven hundred thirty-one billion, one hundred eighty-eight million, nine hundred fifty-six thousand, nine hundred four".