774893568 has 104 divisors (see below), whose sum is σ = 2175529600. Its totient is φ = 244629504.

The previous prime is 774893533. The next prime is 774893569. The reversal of 774893568 is 865398477.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774893569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231813 + ... + 235131.

Almost surely, 2^774893568 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 774893568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087764800).

774893568 is an abundant number, since it is smaller than the sum of its proper divisors (1400636032).

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

774893568 is a wasteful number, since it uses less digits than its factorization.

774893568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365 (or 3343 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The square root of 774893568 is about 27836.9101733651. The cubic root of 774893568 is about 918.5032246474.

The spelling of 774893568 in words is "seven hundred seventy-four million, eight hundred ninety-three thousand, five hundred sixty-eight".