76945808 has 20 divisors (see below), whose sum is σ = 157852620. Its totient is φ = 36209664.

The previous prime is 76945703. The next prime is 76945837. The reversal of 76945808 is 80854967.

It can be written as a sum of positive squares in 2 ways, for example, as 39589264 + 37356544 = 6292^2 + 6112^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 141173 + ... + 141716.

It is an arithmetic number, because the mean of its divisors is an integer number (7892631).

Almost surely, 2^76945808 is an apocalyptic number.

It is an amenable number.

76945808 is an abundant number, since it is smaller than the sum of its proper divisors (80906812).

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

76945808 is a wasteful number, since it uses less digits than its factorization.

76945808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282914 (or 282908 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 76945808 is about 8771.8759681154. The cubic root of 76945808 is about 425.3322578258.

The spelling of 76945808 in words is "seventy-six million, nine hundred forty-five thousand, eight hundred eight".