77924293601 has 48 divisors (see below), whose sum is σ = 99882823680. Its totient is φ = 59043294720.

The previous prime is 77924293597. The next prime is 77924293633. The reversal of 77924293601 is 10639242977.

It is not a de Polignac number, because 77924293601 - 2² = 77924293597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77924293601.

It is not an unprimeable number, because it can be changed into a prime (77924293651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42744176 + ... + 42745998.

It is an arithmetic number, because the mean of its divisors is an integer number (2080892160).

Almost surely, 2^77924293601 is an apocalyptic number.

It is an amenable number.

77924293601 is a deficient number, since it is larger than the sum of its proper divisors (21958530079).

77924293601 is a wasteful number, since it uses less digits than its factorization.

77924293601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 77924293601 in words is "seventy-seven billion, nine hundred twenty-four million, two hundred ninety-three thousand, six hundred one".