76664586400 has 36 divisors (see below), whose sum is σ = 187157423502. Its totient is φ = 30665834240.

The previous prime is 76664586391. The next prime is 76664586403. The reversal of 76664586400 is 468546667.

It can be written as a sum of positive squares in 3 ways, for example, as 52920241936 + 23744344464 = 230044^2 + 154092^2 .

It is not an unprimeable number, because it can be changed into a prime (76664586403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47914567 + ... + 47916166.

Almost surely, 2^76664586400 is an apocalyptic number.

It is an amenable number.

76664586400 is an abundant number, since it is smaller than the sum of its proper divisors (110492837102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76664586400 is a wasteful number, since it uses less digits than its factorization.

76664586400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95830753 (or 95830740 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 76664586400 in words is "seventy-six billion, six hundred sixty-four million, five hundred eighty-six thousand, four hundred".