76538886672244 has 6 divisors (see below), whose sum is σ = 133943051676434. Its totient is φ = 38269443336120.

The previous prime is 76538886672221. The next prime is 76538886672343. The reversal of 76538886672244 is 44227668883567.

It can be written as a sum of positive squares in only one way, i.e., 67623287862244 + 8915598810000 = 8223338^2 + 2985900^2 .

It is a super-2 number, since 2×76538886672244² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9567360834027 + ... + 9567360834034.

Almost surely, 2^{76538886672244} is an apocalyptic number.

It is an amenable number.

76538886672244 is a deficient number, since it is larger than the sum of its proper divisors (57404165004190).

76538886672244 is a wasteful number, since it uses less digits than its factorization.

76538886672244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19134721668065 (or 19134721668063 counting only the distinct ones).

The product of its digits is 5202247680, while the sum is 76.

The spelling of 76538886672244 in words is "seventy-six trillion, five hundred thirty-eight billion, eight hundred eighty-six million, six hundred seventy-two thousand, two hundred forty-four".