76845880 has 32 divisors (see below), whose sum is σ = 182005200. Its totient is φ = 29120256.

The previous prime is 76845871. The next prime is 76845883. The reversal of 76845880 is 8854867.

It is a self number, because there is not a number n which added to its sum of digits gives 76845880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76845883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49797 + ... + 51316.

Almost surely, 2^76845880 is an apocalyptic number.

It is an amenable number.

76845880 is an abundant number, since it is smaller than the sum of its proper divisors (105159320).

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

76845880 is a wasteful number, since it uses less digits than its factorization.

76845880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101143 (or 101139 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 76845880 is about 8766.1781866444. The cubic root of 76845880 is about 425.1480545302.

The spelling of 76845880 in words is "seventy-six million, eight hundred forty-five thousand, eight hundred eighty".