774652864 has 28 divisors (see below), whose sum is σ = 1553061664. Its totient is φ = 383330304.

The previous prime is 774652849. The next prime is 774652867. The reversal of 774652864 is 468256477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774652867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56184 + ... + 68599.

It is an arithmetic number, because the mean of its divisors is an integer number (55466488).

Almost surely, 2^774652864 is an apocalyptic number.

It is an amenable number.

774652864 is an abundant number, since it is smaller than the sum of its proper divisors (778408800).

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

774652864 is a wasteful number, since it uses less digits than its factorization.

774652864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124892 (or 124882 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The square root of 774652864 is about 27832.5863692184. The cubic root of 774652864 is about 918.4081103826.

The spelling of 774652864 in words is "seven hundred seventy-four million, six hundred fifty-two thousand, eight hundred sixty-four".