8187518825 has 12 divisors (see below), whose sum is σ = 10154016768. Its totient is φ = 6549051600.

The previous prime is 8187518819. The next prime is 8187518879. The reversal of 8187518825 is 5288157818.

It is not a de Polignac number, because 8187518825 - 2⁴ = 8187518809 is a prime.

It is a super-3 number, since 3×8187518825³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184784 + ... + 224766.

It is an arithmetic number, because the mean of its divisors is an integer number (846168064).

Almost surely, 2^8187518825 is an apocalyptic number.

It is an amenable number.

8187518825 is a deficient number, since it is larger than the sum of its proper divisors (1966497943).

8187518825 is a wasteful number, since it uses less digits than its factorization.

8187518825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48184 (or 48179 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 53.

The square root of 8187518825 is about 90484.9093771995. The cubic root of 8187518825 is about 2015.5060394347.

The spelling of 8187518825 in words is "eight billion, one hundred eighty-seven million, five hundred eighteen thousand, eight hundred twenty-five".