76444440764 has 6 divisors (see below), whose sum is σ = 133777771344. Its totient is φ = 38222220380.

The previous prime is 76444440727. The next prime is 76444440773. The reversal of 76444440764 is 46704444467.

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, 9555555092 + ... + 9555555099.

It is an arithmetic number, because the mean of its divisors is an integer number (22296295224).

Almost surely, 2^76444440764 is an apocalyptic number.

It is an amenable number.

76444440764 is a deficient number, since it is larger than the sum of its proper divisors (57333330580).

76444440764 is a wasteful number, since it uses less digits than its factorization.

76444440764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19111110195 (or 19111110193 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 50.

The spelling of 76444440764 in words is "seventy-six billion, four hundred forty-four million, four hundred forty thousand, seven hundred sixty-four".