878551125 has 64 divisors (see below), whose sum is σ = 1567268352. Its totient is φ = 435916800.

The previous prime is 878551117. The next prime is 878551151. The reversal of 878551125 is 521155878.

It is not a de Polignac number, because 878551125 - 2³ = 878551117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 317749 + ... + 320501.

It is an arithmetic number, because the mean of its divisors is an integer number (24488568).

Almost surely, 2^878551125 is an apocalyptic number.

It is an amenable number.

878551125 is a deficient number, since it is larger than the sum of its proper divisors (688717227).

878551125 is a wasteful number, since it uses less digits than its factorization.

878551125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831 (or 2821 counting only the distinct ones).

The product of its digits is 112000, while the sum is 42.

The square root of 878551125 is about 29640.3631050633. The cubic root of 878551125 is about 957.7577606619.

The spelling of 878551125 in words is "eight hundred seventy-eight million, five hundred fifty-one thousand, one hundred twenty-five".