76977433650 has 96 divisors (see below), whose sum is σ = 205738581888. Its totient is φ = 18934502400.

The previous prime is 76977433649. The next prime is 76977433667. The reversal of 76977433650 is 5633477967.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2808010 + ... + 2835290.

It is an arithmetic number, because the mean of its divisors is an integer number (2143110228).

Almost surely, 2^76977433650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76977433650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102869290944).

76977433650 is an abundant number, since it is smaller than the sum of its proper divisors (128761148238).

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

76977433650 is a wasteful number, since it uses less digits than its factorization.

76977433650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28756 (or 28751 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 57.

The spelling of 76977433650 in words is "seventy-six billion, nine hundred seventy-seven million, four hundred thirty-three thousand, six hundred fifty".