8186992325 has 24 divisors (see below), whose sum is σ = 10204463688. Its totient is φ = 6515758080.

The previous prime is 8186992271. The next prime is 8186992339. The reversal of 8186992325 is 5232996818.

It is a Cunningham number, because it is equal to 90482²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 3331829284 + 4855163041 = 57722^2 + 69679^2 .

It is not a de Polignac number, because 8186992325 - 2¹⁴ = 8186975941 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 6861929 + ... + 6863121.

It is an arithmetic number, because the mean of its divisors is an integer number (425185987).

Almost surely, 2^8186992325 is an apocalyptic number.

It is an amenable number.

8186992325 is a deficient number, since it is larger than the sum of its proper divisors (2017471363).

8186992325 is a wasteful number, since it uses less digits than its factorization.

8186992325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2388 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 8186992325 is about 90482.0000055260. Note that the first 5 decimals coincide. The cubic root of 8186992325 is about 2015.4628360052.

The spelling of 8186992325 in words is "eight billion, one hundred eighty-six million, nine hundred ninety-two thousand, three hundred twenty-five".