77923548708 has 48 divisors (see below), whose sum is σ = 185390384256. Its totient is φ = 25465423360.

The previous prime is 77923548697. The next prime is 77923548721. The reversal of 77923548708 is 80784532977.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 820585 + ... + 910607.

It is an arithmetic number, because the mean of its divisors is an integer number (3862299672).

Almost surely, 2^77923548708 is an apocalyptic number.

It is an amenable number.

77923548708 is an abundant number, since it is smaller than the sum of its proper divisors (107466835548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77923548708 is a wasteful number, since it uses less digits than its factorization.

77923548708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91444 (or 91442 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 77923548708 in words is "seventy-seven billion, nine hundred twenty-three million, five hundred forty-eight thousand, seven hundred eight".