774680134744 has 32 divisors (see below), whose sum is σ = 1470602278800. Its totient is φ = 382538851200.

The previous prime is 774680134661. The next prime is 774680134751. The reversal of 774680134744 is 447431086477.

It is a super-2 number, since 2×774680134744² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886734 + ... + 1528285.

Almost surely, 2^774680134744 is an apocalyptic number.

It is an amenable number.

774680134744 is a deficient number, since it is larger than the sum of its proper divisors (695922144056).

774680134744 is a wasteful number, since it uses less digits than its factorization.

774680134744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415523 (or 2415519 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 55.

The spelling of 774680134744 in words is "seven hundred seventy-four billion, six hundred eighty million, one hundred thirty-four thousand, seven hundred forty-four".