774600761493 has 24 divisors (see below), whose sum is σ = 1212326784032. Its totient is φ = 473752978848.

The previous prime is 774600761437. The next prime is 774600761497. The reversal of 774600761493 is 394167006477.

774600761493 is a `hidden beast` number, since 77 + 460 + 0 + 76 + 1 + 49 + 3 = 666.

It is not a de Polignac number, because 774600761493 - 2¹⁸ = 774600499349 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774600761497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20289271 + ... + 20327412.

Almost surely, 2^774600761493 is an apocalyptic number.

It is an amenable number.

774600761493 is a deficient number, since it is larger than the sum of its proper divisors (437726022539).

774600761493 is a wasteful number, since it uses less digits than its factorization.

774600761493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40616865 (or 40616862 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 774600761493 in words is "seven hundred seventy-four billion, six hundred million, seven hundred sixty-one thousand, four hundred ninety-three".