76681654708 has 12 divisors (see below), whose sum is σ = 134194981060. Its totient is φ = 38340231552.

The previous prime is 76681654667. The next prime is 76681654781. The reversal of 76681654708 is 80745618667.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62654094864 + 14027559844 = 250308^2 + 118438^2 .

It is a congruent number.

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, 274198 + ... + 478066.

Almost surely, 2^76681654708 is an apocalyptic number.

It is an amenable number.

76681654708 is a deficient number, since it is larger than the sum of its proper divisors (57513326352).

76681654708 is a wasteful number, since it uses less digits than its factorization.

76681654708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297906 (or 297904 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 76681654708 in words is "seventy-six billion, six hundred eighty-one million, six hundred fifty-four thousand, seven hundred eight".