774195853456 has 15 divisors (see below), whose sum is σ = 1500011285203. Its totient is φ = 387096166960.

The previous prime is 774195853427. The next prime is 774195853481. The reversal of 774195853456 is 654358591477.

The square root of 774195853456 is 879884.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3409551 + ... + 3629521.

Almost surely, 2^774195853456 is an apocalyptic number.

774195853456 is the 879884-th square number.

It is an amenable number.

774195853456 is a deficient number, since it is larger than the sum of its proper divisors (725815431747).

774195853456 is an frugal number, since it uses more digits than its factorization.

774195853456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439950 (or 219973 counting only the distinct ones).

The product of its digits is 127008000, while the sum is 64.

Multiplying 774195853456 by its sum of digits (64), we get a square (49548534621184 = 7039072²).

The spelling of 774195853456 in words is "seven hundred seventy-four billion, one hundred ninety-five million, eight hundred fifty-three thousand, four hundred fifty-six".