768804680 has 32 divisors (see below), whose sum is σ = 1976927040. Its totient is φ = 263590080.

The previous prime is 768804679. The next prime is 768804689. The reversal of 768804680 is 86408867.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (768804689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372586 + ... + 1373145.

It is an arithmetic number, because the mean of its divisors is an integer number (61778970).

Almost surely, 2^768804680 is an apocalyptic number.

768804680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

768804680 is an abundant number, since it is smaller than the sum of its proper divisors (1208122360).

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

768804680 is a wasteful number, since it uses less digits than its factorization.

768804680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745749 (or 2745745 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 768804680 is about 27727.3273144023. The cubic root of 768804680 is about 916.0911187428.

The spelling of 768804680 in words is "seven hundred sixty-eight million, eight hundred four thousand, six hundred eighty".