810908112 has 80 divisors (see below), whose sum is σ = 2399802752. Its totient is φ = 231137280.

The previous prime is 810908071. The next prime is 810908141. The reversal of 810908112 is 211809018.

It is a super-2 number, since 2×810908112² = 1315143932214809088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 810908112.

It is a congruent number.

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, 150912 + ... + 156192.

Almost surely, 2^810908112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 810908112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199901376).

810908112 is an abundant number, since it is smaller than the sum of its proper divisors (1588894640).

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

810908112 is a wasteful number, since it uses less digits than its factorization.

810908112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756 (or 5750 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 810908112 is about 28476.4483740511. The cubic root of 810908112 is about 932.5179815741.

The spelling of 810908112 in words is "eight hundred ten million, nine hundred eight thousand, one hundred twelve".