77372113923 has 112 divisors (see below), whose sum is σ = 133667989056. Its totient is φ = 44341862400.

The previous prime is 77372113901. The next prime is 77372113927. The reversal of 77372113923 is 32931127377.

It is not a de Polignac number, because 77372113923 - 2⁵ = 77372113891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77372113927) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 15625098 + ... + 15630048.

It is an arithmetic number, because the mean of its divisors is an integer number (1193464188).

Almost surely, 2^77372113923 is an apocalyptic number.

77372113923 is a deficient number, since it is larger than the sum of its proper divisors (56295875133).

77372113923 is a wasteful number, since it uses less digits than its factorization.

77372113923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096 (or 5081 counting only the distinct ones).

The product of its digits is 333396, while the sum is 45.

The spelling of 77372113923 in words is "seventy-seven billion, three hundred seventy-two million, one hundred thirteen thousand, nine hundred twenty-three".