878642325 has 36 divisors (see below), whose sum is σ = 1716818688. Its totient is φ = 426007200.

The previous prime is 878642311. The next prime is 878642339. The reversal of 878642325 is 523246878.

878642325 = T₈₀₅₄ + T₈₀₅₅ + ... + T₈₀₈₀.

It is an interprime number because it is at equal distance from previous prime (878642311) and next prime (878642339).

It is not a de Polignac number, because 878642325 - 2⁸ = 878642069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 35 ways as a sum of consecutive naturals, for example, 175029 + ... + 179978.

It is an arithmetic number, because the mean of its divisors is an integer number (47689408).

Almost surely, 2^878642325 is an apocalyptic number.

It is an amenable number.

878642325 is a deficient number, since it is larger than the sum of its proper divisors (838176363).

878642325 is a wasteful number, since it uses less digits than its factorization.

878642325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355034 (or 355026 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 878642325 is about 29641.9015078318. The cubic root of 878642325 is about 957.7909002569.

The spelling of 878642325 in words is "eight hundred seventy-eight million, six hundred forty-two thousand, three hundred twenty-five".