828163256 has 8 divisors (see below), whose sum is σ = 1552806120. Its totient is φ = 414081624.

The previous prime is 828163253. The next prime is 828163261. The reversal of 828163256 is 652361828.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828163253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51760196 + ... + 51760211.

It is an arithmetic number, because the mean of its divisors is an integer number (194100765).

Almost surely, 2^828163256 is an apocalyptic number.

It is an amenable number.

828163256 is a deficient number, since it is larger than the sum of its proper divisors (724642864).

828163256 is a wasteful number, since it uses less digits than its factorization.

828163256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103520413 (or 103520409 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 828163256 is about 28777.8257691578. The cubic root of 828163256 is about 939.0858987570.

The spelling of 828163256 in words is "eight hundred twenty-eight million, one hundred sixty-three thousand, two hundred fifty-six".