810090105 has 16 divisors (see below), whose sum is σ = 1413975744. Its totient is φ = 392770880.

The previous prime is 810090091. The next prime is 810090157. The reversal of 810090105 is 501090018.

It is not a de Polignac number, because 810090105 - 2¹² = 810086009 is a prime.

It is a super-2 number, since 2×810090105² = 1312491956437822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2454654 + ... + 2454983.

It is an arithmetic number, because the mean of its divisors is an integer number (88373484).

Almost surely, 2^810090105 is an apocalyptic number.

It is an amenable number.

810090105 is a deficient number, since it is larger than the sum of its proper divisors (603885639).

810090105 is a wasteful number, since it uses less digits than its factorization.

810090105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909656.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 810090105 is about 28462.0818809869. The cubic root of 810090105 is about 932.2043155891.

The spelling of 810090105 in words is "eight hundred ten million, ninety thousand, one hundred five".