47216375656 has 8 divisors (see below), whose sum is σ = 88530704370. Its totient is φ = 23608187824.

The previous prime is 47216375599. The next prime is 47216375681. The reversal of 47216375656 is 65657361274.

It can be written as a sum of positive squares in only one way, i.e., 32664778756 + 14551596900 = 180734^2 + 120630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×47216375656² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2951023471 + ... + 2951023486.

Almost surely, 2^47216375656 is an apocalyptic number.

It is an amenable number.

47216375656 is a deficient number, since it is larger than the sum of its proper divisors (41314328714).

47216375656 is a wasteful number, since it uses less digits than its factorization.

47216375656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902046963 (or 5902046959 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 52.

The spelling of 47216375656 in words is "forty-seven billion, two hundred sixteen million, three hundred seventy-five thousand, six hundred fifty-six".