77313356976 has 80 divisors (see below), whose sum is σ = 211580208000. Its totient is φ = 24243078144.

The previous prime is 77313356971. The next prime is 77313356987. The reversal of 77313356976 is 67965331377.

It is not an unprimeable number, because it can be changed into a prime (77313356971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1690215 + ... + 1735353.

It is an arithmetic number, because the mean of its divisors is an integer number (2644752600).

Almost surely, 2^77313356976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77313356976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105790104000).

77313356976 is an abundant number, since it is smaller than the sum of its proper divisors (134266851024).

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

77313356976 is a wasteful number, since it uses less digits than its factorization.

77313356976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47266 (or 47260 counting only the distinct ones).

The product of its digits is 15002820, while the sum is 57.

The spelling of 77313356976 in words is "seventy-seven billion, three hundred thirteen million, three hundred fifty-six thousand, nine hundred seventy-six".