878254297803 has 12 divisors (see below), whose sum is σ = 1268600087040. Its totient is φ = 585497997936.

The previous prime is 878254297793. The next prime is 878254297813. The reversal of 878254297803 is 308792452878.

878254297803 is a `hidden beast` number, since 8 + 7 + 8 + 2 + 542 + 9 + 7 + 80 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (878254297793) and next prime (878254297813).

It is not a de Polignac number, because 878254297803 - 2²⁹ = 877717426891 is a prime.

It is a super-2 number, since 2×878254297803² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (878254297813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 989878 + ... + 1654196.

It is an arithmetic number, because the mean of its divisors is an integer number (105716673920).

Almost surely, 2^878254297803 is an apocalyptic number.

878254297803 is a deficient number, since it is larger than the sum of its proper divisors (390345789237).

878254297803 is a wasteful number, since it uses less digits than its factorization.

878254297803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811218 (or 811215 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 878254297803 in words is "eight hundred seventy-eight billion, two hundred fifty-four million, two hundred ninety-seven thousand, eight hundred three".