774026864 has 160 divisors (see below), whose sum is σ = 1850506560. Its totient is φ = 309657600.

The previous prime is 774026863. The next prime is 774026873. The reversal of 774026864 is 468620477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774026863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2754404 + ... + 2754684.

It is an arithmetic number, because the mean of its divisors is an integer number (11565666).

Almost surely, 2^774026864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774026864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925253280).

774026864 is an abundant number, since it is smaller than the sum of its proper divisors (1076479696).

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

774026864 is a wasteful number, since it uses less digits than its factorization.

774026864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 774026864 is about 27821.3382855678. The cubic root of 774026864 is about 918.1606539887.

The spelling of 774026864 in words is "seven hundred seventy-four million, twenty-six thousand, eight hundred sixty-four".