770615404 has 12 divisors (see below), whose sum is σ = 1452313744. Its totient is φ = 355668624.

The previous prime is 770615371. The next prime is 770615407. The reversal of 770615404 is 404516077.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 770615404.

It is not an unprimeable number, because it can be changed into a prime (770615407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7409712 + ... + 7409815.

Almost surely, 2^770615404 is an apocalyptic number.

It is an amenable number.

770615404 is a deficient number, since it is larger than the sum of its proper divisors (681698340).

770615404 is a wasteful number, since it uses less digits than its factorization.

770615404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14819544 (or 14819542 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 770615404 is about 27759.9604466577. The cubic root of 770615404 is about 916.8097614335.

The spelling of 770615404 in words is "seven hundred seventy million, six hundred fifteen thousand, four hundred four".