828117568 has 28 divisors (see below), whose sum is σ = 1649577600. Its totient is φ = 412476032.

The previous prime is 828117551. The next prime is 828117613. The reversal of 828117568 is 865711828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7768 + ... + 41431.

Almost surely, 2^828117568 is an apocalyptic number.

It is an amenable number.

828117568 is a deficient number, since it is larger than the sum of its proper divisors (821460032).

828117568 is a wasteful number, since it uses less digits than its factorization.

828117568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49474 (or 49464 counting only the distinct ones).

The product of its digits is 215040, while the sum is 46.

The square root of 828117568 is about 28777.0319525833. The cubic root of 828117568 is about 939.0686293176.

It can be divided in two parts, 828117 and 568, that multiplied together give a triangular number (470370456 = T₃₀₆₇₁).

The spelling of 828117568 in words is "eight hundred twenty-eight million, one hundred seventeen thousand, five hundred sixty-eight".