774944449476 has 24 divisors (see below), whose sum is σ = 1833671375424. Its totient is φ = 254676579360.

The previous prime is 774944449441. The next prime is 774944449481. The reversal of 774944449476 is 674944449477.

774944449476 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 774944449476.

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, 454778755 + ... + 454780458.

It is an arithmetic number, because the mean of its divisors is an integer number (76402973976).

Almost surely, 2^774944449476 is an apocalyptic number.

It is an amenable number.

774944449476 is an abundant number, since it is smaller than the sum of its proper divisors (1058726925948).

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

774944449476 is a wasteful number, since it uses less digits than its factorization.

774944449476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909559291 (or 909559289 counting only the distinct ones).

The product of its digits is 682795008, while the sum is 69.

Subtracting from 774944449476 its reverse (674944449477), we obtain a palindrome (99999999999).

The spelling of 774944449476 in words is "seven hundred seventy-four billion, nine hundred forty-four million, four hundred forty-nine thousand, four hundred seventy-six".