878575879 has 4 divisors (see below), whose sum is σ = 878648584. Its totient is φ = 878503176.

The previous prime is 878575847. The next prime is 878575883. The reversal of 878575879 is 978575878.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 878575879 - 2⁵ = 878575847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 878575879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878575679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13392 + ... + 44005.

It is an arithmetic number, because the mean of its divisors is an integer number (219662146).

Almost surely, 2^878575879 is an apocalyptic number.

878575879 is a deficient number, since it is larger than the sum of its proper divisors (72705).

878575879 is a wasteful number, since it uses less digits than its factorization.

878575879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72704.

The product of its digits is 39513600, while the sum is 64.

The square root of 878575879 is about 29640.7806746044. The cubic root of 878575879 is about 957.7667558177.

Subtracting 878575879 from its reverse (978575878), we obtain a palindrome (99999999).

The spelling of 878575879 in words is "eight hundred seventy-eight million, five hundred seventy-five thousand, eight hundred seventy-nine".