77933624612 has 12 divisors (see below), whose sum is σ = 136734446940. Its totient is φ = 38866639776.

The previous prime is 77933624611. The next prime is 77933624641. The reversal of 77933624612 is 21642633977.

It can be written as a sum of positive squares in 2 ways, for example, as 36307015936 + 41626608676 = 190544^2 + 204026^2 .

It is not an unprimeable number, because it can be changed into a prime (77933624611) 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, 25041383 + ... + 25044494.

It is an arithmetic number, because the mean of its divisors is an integer number (11394537245).

Almost surely, 2^77933624612 is an apocalyptic number.

It is an amenable number.

77933624612 is a deficient number, since it is larger than the sum of its proper divisors (58800822328).

77933624612 is a wasteful number, since it uses less digits than its factorization.

77933624612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50086270 (or 50086268 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 50.

The spelling of 77933624612 in words is "seventy-seven billion, nine hundred thirty-three million, six hundred twenty-four thousand, six hundred twelve".