77331173316 has 24 divisors (see below), whose sum is σ = 191053487520. Its totient is φ = 24260760192.

The previous prime is 77331173291. The next prime is 77331173317. The reversal of 77331173316 is 61337113377.

It is a super-2 number, since 2×77331173316² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77331173317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189536986 + ... + 189537393.

It is an arithmetic number, because the mean of its divisors is an integer number (7960561980).

Almost surely, 2^77331173316 is an apocalyptic number.

It is an amenable number.

77331173316 is an abundant number, since it is smaller than the sum of its proper divisors (113722314204).

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

77331173316 is a wasteful number, since it uses less digits than its factorization.

77331173316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379074403 (or 379074401 counting only the distinct ones).

The product of its digits is 166698, while the sum is 42.

The spelling of 77331173316 in words is "seventy-seven billion, three hundred thirty-one million, one hundred seventy-three thousand, three hundred sixteen".