76908980 has 12 divisors (see below), whose sum is σ = 161508900. Its totient is φ = 30763584.

The previous prime is 76908973. The next prime is 76909009. The reversal of 76908980 is 8980967.

It can be written as a sum of positive squares in 2 ways, for example, as 8317456 + 68591524 = 2884^2 + 8282^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922705 + ... + 1922744.

It is an arithmetic number, because the mean of its divisors is an integer number (13459075).

Almost surely, 2^76908980 is an apocalyptic number.

It is an amenable number.

76908980 is an abundant number, since it is smaller than the sum of its proper divisors (84599920).

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

76908980 is a wasteful number, since it uses less digits than its factorization.

76908980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845458 (or 3845456 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 76908980 is about 8769.7765079847. The cubic root of 76908980 is about 425.2643891247.

The spelling of 76908980 in words is "seventy-six million, nine hundred eight thousand, nine hundred eighty".