8125295818 has 8 divisors (see below), whose sum is σ = 12192580548. Its totient is φ = 4061102304.

The previous prime is 8125295803. The next prime is 8125295819. The reversal of 8125295818 is 8185925218.

It can be written as a sum of positive squares in 2 ways, for example, as 7683749649 + 441546169 = 87657^2 + 21013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8125295819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766221 + ... + 776752.

Almost surely, 2^8125295818 is an apocalyptic number.

8125295818 is a deficient number, since it is larger than the sum of its proper divisors (4067284730).

8125295818 is a wasteful number, since it uses less digits than its factorization.

8125295818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545608.

The product of its digits is 460800, while the sum is 49.

The square root of 8125295818 is about 90140.4227746908. The cubic root of 8125295818 is about 2010.3872770098.

The spelling of 8125295818 in words is "eight billion, one hundred twenty-five million, two hundred ninety-five thousand, eight hundred eighteen".