8701257825 has 36 divisors (see below), whose sum is σ = 16783765180. Its totient is φ = 4283694720.

The previous prime is 8701257823. The next prime is 8701257839. The reversal of 8701257825 is 5287521078.

8701257825 is a `hidden beast` number, since 8 + 70 + 1 + 2 + 578 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3505587264 + 5195670561 = 59208^2 + 72081^2 .

It is not a de Polignac number, because 8701257825 - 2¹ = 8701257823 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (8701257823) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1484470 + ... + 1490319.

Almost surely, 2^8701257825 is an apocalyptic number.

It is an amenable number.

8701257825 is a deficient number, since it is larger than the sum of its proper divisors (8082507355).

8701257825 is a wasteful number, since it uses less digits than its factorization.

8701257825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974818 (or 2974810 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 8701257825 is about 93280.5329369424. The cubic root of 8701257825 is about 2056.8092294910.

The spelling of 8701257825 in words is "eight billion, seven hundred one million, two hundred fifty-seven thousand, eight hundred twenty-five".