8781873025 has 12 divisors (see below), whose sum is σ = 11155121964. Its totient is φ = 6854144000.

The previous prime is 8781873013. The next prime is 8781873097. The reversal of 8781873025 is 5203781878.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2170069056 + 6611803969 = 46584^2 + 81313^2 .

It is not a de Polignac number, because 8781873025 - 2⁵ = 8781872993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8781873025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4282816 + ... + 4284865.

It is an arithmetic number, because the mean of its divisors is an integer number (929593497).

Almost surely, 2^8781873025 is an apocalyptic number.

It is an amenable number.

8781873025 is a deficient number, since it is larger than the sum of its proper divisors (2373248939).

8781873025 is a wasteful number, since it uses less digits than its factorization.

8781873025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8567732 (or 8567727 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 49.

The square root of 8781873025 is about 93711.6482887800. The cubic root of 8781873025 is about 2063.1416719105.

The spelling of 8781873025 in words is "eight billion, seven hundred eighty-one million, eight hundred seventy-three thousand, twenty-five".