76980256 has 12 divisors (see below), whose sum is σ = 151554942. Its totient is φ = 38490112.

The previous prime is 76980251. The next prime is 76980257. The reversal of 76980256 is 65208967.

It can be written as a sum of positive squares in only one way, i.e., 48720400 + 28259856 = 6980^2 + 5316^2 .

It is not an unprimeable number, because it can be changed into a prime (76980251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202785 + ... + 1202848.

Almost surely, 2^76980256 is an apocalyptic number.

It is an amenable number.

76980256 is a deficient number, since it is larger than the sum of its proper divisors (74574686).

76980256 is a wasteful number, since it uses less digits than its factorization.

76980256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405643 (or 2405635 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 76980256 is about 8773.8392964540. The cubic root of 76980256 is about 425.3957209307.

The spelling of 76980256 in words is "seventy-six million, nine hundred eighty thousand, two hundred fifty-six".