76710777664 has 14 divisors (see below), whose sum is σ = 152222949554. Its totient is φ = 38355388800.

The previous prime is 76710777653. The next prime is 76710777691. The reversal of 76710777664 is 46677701767.

It can be written as a sum of positive squares in only one way, i.e., 57699883264 + 19010894400 = 240208^2 + 137880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76710777599 and 76710777608.

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, 599302887 + ... + 599303014.

Almost surely, 2^76710777664 is an apocalyptic number.

It is an amenable number.

76710777664 is a deficient number, since it is larger than the sum of its proper divisors (75512171890).

76710777664 is a wasteful number, since it uses less digits than its factorization.

76710777664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198605913 (or 1198605903 counting only the distinct ones).

The product of its (nonzero) digits is 14521248, while the sum is 58.

The spelling of 76710777664 in words is "seventy-six billion, seven hundred ten million, seven hundred seventy-seven thousand, six hundred sixty-four".