878252925 has 24 divisors (see below), whose sum is σ = 1584050400. Its totient is φ = 425819200.

The previous prime is 878252917. The next prime is 878252987. The reversal of 878252925 is 529252878.

It is a happy number.

It is not a de Polignac number, because 878252925 - 2³ = 878252917 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531450 + ... + 533099.

It is an arithmetic number, because the mean of its divisors is an integer number (66002100).

Almost surely, 2^878252925 is an apocalyptic number.

It is an amenable number.

878252925 is a deficient number, since it is larger than the sum of its proper divisors (705797475).

878252925 is a wasteful number, since it uses less digits than its factorization.

878252925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064573 (or 1064568 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 878252925 is about 29635.3323753927. The cubic root of 878252925 is about 957.6493868952.

The spelling of 878252925 in words is "eight hundred seventy-eight million, two hundred fifty-two thousand, nine hundred twenty-five".