878972885 has 16 divisors (see below), whose sum is σ = 1206581376. Its totient is φ = 602157888.

The previous prime is 878972869. The next prime is 878972891. The reversal of 878972885 is 588279878.

It is a happy number.

878972885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 878972885 - 2⁴ = 878972869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27854 + ... + 50336.

It is an arithmetic number, because the mean of its divisors is an integer number (75411336).

Almost surely, 2^878972885 is an apocalyptic number.

It is an amenable number.

878972885 is a deficient number, since it is larger than the sum of its proper divisors (327608491).

878972885 is a wasteful number, since it uses less digits than its factorization.

878972885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23612.

The product of its digits is 18063360, while the sum is 62.

The square root of 878972885 is about 29647.4768740950. The cubic root of 878972885 is about 957.9109975384.

The spelling of 878972885 in words is "eight hundred seventy-eight million, nine hundred seventy-two thousand, eight hundred eighty-five".