77767344104 has 16 divisors (see below), whose sum is σ = 147257472420. Its totient is φ = 38498684800.

The previous prime is 77767344077. The next prime is 77767344133. The reversal of 77767344104 is 40144376777.

It can be written as a sum of positive squares in 2 ways, for example, as 56944276900 + 20823067204 = 238630^2 + 144302^2 .

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, 48122549 + ... + 48124164.

Almost surely, 2^77767344104 is an apocalyptic number.

It is an amenable number.

77767344104 is a deficient number, since it is larger than the sum of its proper divisors (69490128316).

77767344104 is a wasteful number, since it uses less digits than its factorization.

77767344104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96246820 (or 96246816 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 50.

The spelling of 77767344104 in words is "seventy-seven billion, seven hundred sixty-seven million, three hundred forty-four thousand, one hundred four".