8475861725 has 12 divisors (see below), whose sum is σ = 10541266164. Its totient is φ = 6760561920.

The previous prime is 8475861703. The next prime is 8475861781. The reversal of 8475861725 is 5271685748.

It can be written as a sum of positive squares in 6 ways, for example, as 1752845689 + 6723016036 = 41867^2 + 81994^2 .

It is not a de Polignac number, because 8475861725 - 2⁶ = 8475861661 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 11 ways as a sum of consecutive naturals, for example, 494594 + ... + 511443.

It is an arithmetic number, because the mean of its divisors is an integer number (878438847).

Almost surely, 2^8475861725 is an apocalyptic number.

It is an amenable number.

8475861725 is a deficient number, since it is larger than the sum of its proper divisors (2065404439).

8475861725 is a wasteful number, since it uses less digits than its factorization.

8475861725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006384 (or 1006379 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 53.

The square root of 8475861725 is about 92064.4433264004. The cubic root of 8475861725 is about 2038.8938740263.

The spelling of 8475861725 in words is "eight billion, four hundred seventy-five million, eight hundred sixty-one thousand, seven hundred twenty-five".