77083600672 has 24 divisors (see below), whose sum is σ = 163432058076. Its totient is φ = 35577046272.

The previous prime is 77083600663. The next prime is 77083600679. The reversal of 77083600672 is 27600638077.

It can be written as a sum of positive squares in 2 ways, for example, as 72449258896 + 4634341776 = 269164^2 + 68076^2 .

It is not an unprimeable number, because it can be changed into a prime (77083600679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92648143 + ... + 92648974.

Almost surely, 2^77083600672 is an apocalyptic number.

It is an amenable number.

77083600672 is an abundant number, since it is smaller than the sum of its proper divisors (86348457404).

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

77083600672 is a wasteful number, since it uses less digits than its factorization.

77083600672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185297140 (or 185297132 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 77083600672 in words is "seventy-seven billion, eighty-three million, six hundred thousand, six hundred seventy-two".