776789641604 has 12 divisors (see below), whose sum is σ = 1362931175424. Its totient is φ = 387380734344.

The previous prime is 776789641603. The next prime is 776789641613. The reversal of 776789641604 is 406146987677.

It is not an unprimeable number, because it can be changed into a prime (776789641603) 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, 253519892 + ... + 253522955.

It is an arithmetic number, because the mean of its divisors is an integer number (113577597952).

Almost surely, 2^776789641604 is an apocalyptic number.

It is an amenable number.

776789641604 is a deficient number, since it is larger than the sum of its proper divisors (586141533820).

776789641604 is a wasteful number, since it uses less digits than its factorization.

776789641604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507043234 (or 507043232 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 65.

The spelling of 776789641604 in words is "seven hundred seventy-six billion, seven hundred eighty-nine million, six hundred forty-one thousand, six hundred four".