878323878 has 32 divisors (see below), whose sum is σ = 1956895200. Its totient is φ = 292015008.

The previous prime is 878323867. The next prime is 878323907.

It is a happy number.

878323878 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100 + ... + 41912.

It is an arithmetic number, because the mean of its divisors is an integer number (61152975).

Almost surely, 2^878323878 is an apocalyptic number.

878323878 is an abundant number, since it is smaller than the sum of its proper divisors (1078571322).

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

878323878 is a wasteful number, since it uses less digits than its factorization.

878323878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42213 (or 42207 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 878323878 is about 29636.5294526873. The cubic root of 878323878 is about 957.6751753157.

The spelling of 878323878 in words is "eight hundred seventy-eight million, three hundred twenty-three thousand, eight hundred seventy-eight".