774006739868 has 48 divisors (see below), whose sum is σ = 1384314852480. Its totient is φ = 378606312000.

The previous prime is 774006739841. The next prime is 774006739901. The reversal of 774006739868 is 868937600477.

774006739868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×774006739868² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11816255 + ... + 11881577.

It is an arithmetic number, because the mean of its divisors is an integer number (28839892760).

Almost surely, 2^774006739868 is an apocalyptic number.

It is an amenable number.

774006739868 is a deficient number, since it is larger than the sum of its proper divisors (610308112612).

774006739868 is a wasteful number, since it uses less digits than its factorization.

774006739868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65778 (or 65776 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 65.

The spelling of 774006739868 in words is "seven hundred seventy-four billion, six million, seven hundred thirty-nine thousand, eight hundred sixty-eight".