77706076324 has 6 divisors (see below), whose sum is σ = 135985633574. Its totient is φ = 38853038160.

The previous prime is 77706076297. The next prime is 77706076333. The reversal of 77706076324 is 42367060777.

It can be written as a sum of positive squares in only one way, i.e., 77349621924 + 356454400 = 278118^2 + 18880^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9713259537 + ... + 9713259544.

Almost surely, 2^77706076324 is an apocalyptic number.

It is an amenable number.

77706076324 is a deficient number, since it is larger than the sum of its proper divisors (58279557250).

77706076324 is a wasteful number, since it uses less digits than its factorization.

77706076324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19426519085 (or 19426519083 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 49.

The spelling of 77706076324 in words is "seventy-seven billion, seven hundred six million, seventy-six thousand, three hundred twenty-four".