774390843356 has 24 divisors (see below), whose sum is σ = 1459587766560. Its totient is φ = 357372251712.

The previous prime is 774390843319. The next prime is 774390843403. The reversal of 774390843356 is 653348093477.

774390843356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 774390843295 and 774390843304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325511 + ... + 1286366.

It is an arithmetic number, because the mean of its divisors is an integer number (60816156940).

Almost surely, 2^774390843356 is an apocalyptic number.

It is an amenable number.

774390843356 is a deficient number, since it is larger than the sum of its proper divisors (685196923204).

774390843356 is a wasteful number, since it uses less digits than its factorization.

774390843356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621133 (or 1621131 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 59.

The spelling of 774390843356 in words is "seven hundred seventy-four billion, three hundred ninety million, eight hundred forty-three thousand, three hundred fifty-six".