810034855878 has 16 divisors (see below), whose sum is σ = 1650637065456. Its totient is φ = 264917059680.

The previous prime is 810034855841. The next prime is 810034855901. The reversal of 810034855878 is 878558430018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273639393 + ... + 1273640028.

It is an arithmetic number, because the mean of its divisors is an integer number (103164816591).

Almost surely, 2^810034855878 is an apocalyptic number.

810034855878 is an abundant number, since it is smaller than the sum of its proper divisors (840602209578).

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

810034855878 is a wasteful number, since it uses less digits than its factorization.

810034855878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547279479.

The product of its (nonzero) digits is 8601600, while the sum is 57.

The spelling of 810034855878 in words is "eight hundred ten billion, thirty-four million, eight hundred fifty-five thousand, eight hundred seventy-eight".