76986079680 has 224 divisors, whose sum is σ = 249774870528. Its totient is φ = 20084428800.

The previous prime is 76986079679. The next prime is 76986079697. The reversal of 76986079680 is 8697068967.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11181519 + ... + 11188401.

Almost surely, 2^76986079680 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 76986079680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124887435264).

76986079680 is an abundant number, since it is smaller than the sum of its proper divisors (172788790848).

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

76986079680 is a wasteful number, since it uses less digits than its factorization.

76986079680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7155 (or 7145 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 66.

The spelling of 76986079680 in words is "seventy-six billion, nine hundred eighty-six million, seventy-nine thousand, six hundred eighty".