47731347208 has 32 divisors (see below), whose sum is σ = 90545736600. Its totient is φ = 23586078208.

The previous prime is 47731347197. The next prime is 47731347227. The reversal of 47731347208 is 80274313774.

It can be written as a sum of positive squares in 4 ways, for example, as 44843144644 + 2888202564 = 211762^2 + 53742^2 .

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, 1560510 + ... + 1590802.

Almost surely, 2^47731347208 is an apocalyptic number.

It is an amenable number.

47731347208 is a deficient number, since it is larger than the sum of its proper divisors (42814389392).

47731347208 is a wasteful number, since it uses less digits than its factorization.

47731347208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32601 (or 32597 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 47731347208 in words is "forty-seven billion, seven hundred thirty-one million, three hundred forty-seven thousand, two hundred eight".