76981308 has 24 divisors (see below), whose sum is σ = 185418240. Its totient is φ = 24832560.

The previous prime is 76981279. The next prime is 76981319. The reversal of 76981308 is 80318967.

It is a super-2 number, since 2×76981308² = 11852243562781728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76981308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103098 + ... + 103841.

It is an arithmetic number, because the mean of its divisors is an integer number (7725760).

Almost surely, 2^76981308 is an apocalyptic number.

It is an amenable number.

76981308 is an abundant number, since it is smaller than the sum of its proper divisors (108436932).

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

76981308 is a wasteful number, since it uses less digits than its factorization.

76981308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206977 (or 206975 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 76981308 is about 8773.8992471990. The cubic root of 76981308 is about 425.3976587188.

The spelling of 76981308 in words is "seventy-six million, nine hundred eighty-one thousand, three hundred eight".