872880725 has 12 divisors (see below), whose sum is σ = 1146041604. Its totient is φ = 657227520.

The previous prime is 872880707. The next prime is 872880763. The reversal of 872880725 is 527088278.

It can be written as a sum of positive squares in 6 ways, for example, as 61371556 + 811509169 = 7834^2 + 28487^2 .

It is not a de Polignac number, because 872880725 - 2⁶ = 872880661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 872880725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1026494 + ... + 1027343.

It is an arithmetic number, because the mean of its divisors is an integer number (95503467).

Almost surely, 2^872880725 is an apocalyptic number.

872880725 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

872880725 is a deficient number, since it is larger than the sum of its proper divisors (273160879).

872880725 is a wasteful number, since it uses less digits than its factorization.

872880725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053864 (or 2053859 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 47.

The square root of 872880725 is about 29544.5549128769. The cubic root of 872880725 is about 955.6927714560.

The spelling of 872880725 in words is "eight hundred seventy-two million, eight hundred eighty thousand, seven hundred twenty-five".