810826028 has 6 divisors (see below), whose sum is σ = 1418945556. Its totient is φ = 405413012.

The previous prime is 810826021. The next prime is 810826031. The reversal of 810826028 is 820628018.

It is not an unprimeable number, because it can be changed into a prime (810826021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101353250 + ... + 101353257.

It is an arithmetic number, because the mean of its divisors is an integer number (236490926).

Almost surely, 2^810826028 is an apocalyptic number.

It is an amenable number.

810826028 is a deficient number, since it is larger than the sum of its proper divisors (608119528).

810826028 is a wasteful number, since it uses less digits than its factorization.

810826028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202706511 (or 202706509 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 810826028 is about 28475.0070763819. The cubic root of 810826028 is about 932.4865158680.

The spelling of 810826028 in words is "eight hundred ten million, eight hundred twenty-six thousand, twenty-eight".