47734717988 has 12 divisors (see below), whose sum is σ = 83537327580. Its totient is φ = 23866910112.

The previous prime is 47734717969. The next prime is 47734717993. The reversal of 47734717988 is 88971743774.

It can be written as a sum of positive squares in 2 ways, for example, as 5120547364 + 42614170624 = 71558^2 + 206432^2 .

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, 277178 + ... + 415086.

It is an arithmetic number, because the mean of its divisors is an integer number (6961443965).

Almost surely, 2^47734717988 is an apocalyptic number.

It is an amenable number.

47734717988 is a deficient number, since it is larger than the sum of its proper divisors (35802609592).

47734717988 is a wasteful number, since it uses less digits than its factorization.

47734717988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224446 (or 224444 counting only the distinct ones).

The product of its digits is 66382848, while the sum is 65.

The spelling of 47734717988 in words is "forty-seven billion, seven hundred thirty-four million, seven hundred seventeen thousand, nine hundred eighty-eight".