776474650780 has 24 divisors (see below), whose sum is σ = 1683196663680. Its totient is φ = 300570832320.

The previous prime is 776474650747. The next prime is 776474650793. The reversal of 776474650780 is 87056474677.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626188615 + ... + 626189854.

It is an arithmetic number, because the mean of its divisors is an integer number (70133194320).

Almost surely, 2^776474650780 is an apocalyptic number.

It is an amenable number.

776474650780 is an abundant number, since it is smaller than the sum of its proper divisors (906722012900).

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

776474650780 is a wasteful number, since it uses less digits than its factorization.

776474650780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252378509 (or 1252378507 counting only the distinct ones).

The product of its (nonzero) digits is 55319040, while the sum is 61.

The spelling of 776474650780 in words is "seven hundred seventy-six billion, four hundred seventy-four million, six hundred fifty thousand, seven hundred eighty".