878297125 has 8 divisors (see below), whose sum is σ = 1096114968. Its totient is φ = 702637600.

The previous prime is 878297107. The next prime is 878297143. The reversal of 878297125 is 521792878.

It is an interprime number because it is at equal distance from previous prime (878297107) and next prime (878297143).

It can be written as a sum of positive squares in 4 ways, for example, as 2196324 + 876100801 = 1482^2 + 29599^2 .

It is not a de Polignac number, because 878297125 - 2¹⁵ = 878264357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3513064 + ... + 3513313.

It is an arithmetic number, because the mean of its divisors is an integer number (137014371).

Almost surely, 2^878297125 is an apocalyptic number.

It is an amenable number.

878297125 is a deficient number, since it is larger than the sum of its proper divisors (217817843).

878297125 is an equidigital number, since it uses as much as digits as its factorization.

878297125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7026392 (or 7026382 counting only the distinct ones).

The product of its digits is 564480, while the sum is 49.

The square root of 878297125 is about 29636.0780974811. The cubic root of 878297125 is about 957.6654518926.

The spelling of 878297125 in words is "eight hundred seventy-eight million, two hundred ninety-seven thousand, one hundred twenty-five".