878967225 has 72 divisors (see below), whose sum is σ = 1625979264. Its totient is φ = 453600000.

The previous prime is 878967217. The next prime is 878967233. The reversal of 878967225 is 522769878.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (878967217) and next prime (878967233).

It is not a de Polignac number, because 878967225 - 2³ = 878967217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1392660 + ... + 1393290.

Almost surely, 2^878967225 is an apocalyptic number.

It is an amenable number.

878967225 is a deficient number, since it is larger than the sum of its proper divisors (747012039).

878967225 is a wasteful number, since it uses less digits than its factorization.

878967225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 831 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 878967225 is about 29647.3814189382. The cubic root of 878967225 is about 957.9089414310.

The spelling of 878967225 in words is "eight hundred seventy-eight million, nine hundred sixty-seven thousand, two hundred twenty-five".