774022385744 has 20 divisors (see below), whose sum is σ = 1501048045824. Its totient is φ = 386655148128.

The previous prime is 774022385737. The next prime is 774022385777. The reversal of 774022385744 is 447583220477.

It is a happy number.

It is a super-2 number, since 2×774022385744² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 22234862 + ... + 22269645.

Almost surely, 2^774022385744 is an apocalyptic number.

It is an amenable number.

774022385744 is a deficient number, since it is larger than the sum of its proper divisors (727025660080).

774022385744 is a wasteful number, since it uses less digits than its factorization.

774022385744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44505602 (or 44505596 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 53.

The spelling of 774022385744 in words is "seven hundred seventy-four billion, twenty-two million, three hundred eighty-five thousand, seven hundred forty-four".