836768256 has 40 divisors (see below), whose sum is σ = 2229207024. Its totient is φ = 278922240.

The previous prime is 836768243. The next prime is 836768279. The reversal of 836768256 is 652867638.

It is a super-2 number, since 2×836768256² = 1400362228498563072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 836768199 and 836768208.

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, 270850 + ... + 273921.

Almost surely, 2^836768256 is an apocalyptic number.

It is an amenable number.

836768256 is an abundant number, since it is smaller than the sum of its proper divisors (1392438768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

836768256 is an equidigital number, since it uses as much as digits as its factorization.

836768256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544792 (or 544776 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 836768256 is about 28926.9468834856. The cubic root of 836768256 is about 942.3272108529.

The spelling of 836768256 in words is "eight hundred thirty-six million, seven hundred sixty-eight thousand, two hundred fifty-six".