77792936875 has 20 divisors (see below), whose sum is σ = 97235699616. Its totient is φ = 62217932000.

The previous prime is 77792936839. The next prime is 77792936899. The reversal of 77792936875 is 57863929777.

It is a happy number.

It is not a de Polignac number, because 77792936875 - 2⁷ = 77792936747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2718894 + ... + 2747356.

Almost surely, 2^77792936875 is an apocalyptic number.

77792936875 is a deficient number, since it is larger than the sum of its proper divisors (19442762741).

77792936875 is an equidigital number, since it uses as much as digits as its factorization.

77792936875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32856 (or 32841 counting only the distinct ones).

The product of its digits is 280052640, while the sum is 70.

The spelling of 77792936875 in words is "seventy-seven billion, seven hundred ninety-two million, nine hundred thirty-six thousand, eight hundred seventy-five".