76320805980 has 24 divisors (see below), whose sum is σ = 213698256912. Its totient is φ = 20352214912.

The previous prime is 76320805961. The next prime is 76320805987. The reversal of 76320805980 is 8950802367.

It is a super-3 number, since 3×76320805980³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76320805987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636006657 + ... + 636006776.

It is an arithmetic number, because the mean of its divisors is an integer number (8904094038).

Almost surely, 2^76320805980 is an apocalyptic number.

It is an amenable number.

76320805980 is an abundant number, since it is smaller than the sum of its proper divisors (137377450932).

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

76320805980 is a wasteful number, since it uses less digits than its factorization.

76320805980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272013445 (or 1272013443 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 76320805980 in words is "seventy-six billion, three hundred twenty million, eight hundred five thousand, nine hundred eighty".