774113664 has 32 divisors (see below), whose sum is σ = 2056240440. Its totient is φ = 258037760.

The previous prime is 774113623. The next prime is 774113699. The reversal of 774113664 is 466311477.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007577 + ... + 1008344.

Almost surely, 2^774113664 is an apocalyptic number.

It is an amenable number.

774113664 is an abundant number, since it is smaller than the sum of its proper divisors (1282126776).

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

774113664 is a wasteful number, since it uses less digits than its factorization.

774113664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015938 (or 2015926 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 774113664 is about 27822.8981955511. The cubic root of 774113664 is about 918.1949737992.

The spelling of 774113664 in words is "seven hundred seventy-four million, one hundred thirteen thousand, six hundred sixty-four".