810027836 has 12 divisors (see below), whose sum is σ = 1492156680. Its totient is φ = 383697360.

The previous prime is 810027811. The next prime is 810027839. The reversal of 810027836 is 638720018.

It is a super-2 number, since 2×810027836² = 1312290190189685792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 810027796 and 810027805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810027839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5329055 + ... + 5329206.

It is an arithmetic number, because the mean of its divisors is an integer number (124346390).

Almost surely, 2^810027836 is an apocalyptic number.

It is an amenable number.

810027836 is a deficient number, since it is larger than the sum of its proper divisors (682128844).

810027836 is a wasteful number, since it uses less digits than its factorization.

810027836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658284 (or 10658282 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 810027836 is about 28460.9879659860. The cubic root of 810027836 is about 932.1804298026.

The spelling of 810027836 in words is "eight hundred ten million, twenty-seven thousand, eight hundred thirty-six".