768404808 has 24 divisors (see below), whose sum is σ = 2081096550. Its totient is φ = 256134912.

The previous prime is 768404807. The next prime is 768404809. The reversal of 768404808 is 808404867.

It is an interprime number because it is at equal distance from previous prime (768404807) and next prime (768404809).

It can be written as a sum of positive squares in only one way, i.e., 767400804 + 1004004 = 27702^2 + 1002^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (768404801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5336073 + ... + 5336216.

Almost surely, 2^768404808 is an apocalyptic number.

It is an amenable number.

768404808 is an abundant number, since it is smaller than the sum of its proper divisors (1312691742).

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

768404808 is a wasteful number, since it uses less digits than its factorization.

768404808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672301 (or 10672294 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 768404808 is about 27720.1155841746. The cubic root of 768404808 is about 915.9322649074.

The spelling of 768404808 in words is "seven hundred sixty-eight million, four hundred four thousand, eight hundred eight".