878525879 has 16 divisors (see below), whose sum is σ = 1095970560. Its totient is φ = 684149760.

The previous prime is 878525863. The next prime is 878525887. The reversal of 878525879 is 978525878.

It is not a de Polignac number, because 878525879 - 2⁴ = 878525863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878524879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204932 + ... + 209174.

It is an arithmetic number, because the mean of its divisors is an integer number (68498160).

Almost surely, 2^878525879 is an apocalyptic number.

878525879 is a deficient number, since it is larger than the sum of its proper divisors (217444681).

878525879 is a wasteful number, since it uses less digits than its factorization.

878525879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6950.

The product of its digits is 11289600, while the sum is 59.

The square root of 878525879 is about 29639.9372300280. The cubic root of 878525879 is about 957.7485865480.

Subtracting 878525879 from its reverse (978525878), we obtain a palindrome (99999999).

The spelling of 878525879 in words is "eight hundred seventy-eight million, five hundred twenty-five thousand, eight hundred seventy-nine".