8104187925 has 18 divisors (see below), whose sum is σ = 14515501442. Its totient is φ = 4322233440.

The previous prime is 8104187893. The next prime is 8104187951. The reversal of 8104187925 is 5297814018.

8104187925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 373030596 + 7731157329 = 19314^2 + 87927^2 .

It is not a de Polignac number, because 8104187925 - 2⁵ = 8104187893 is a prime.

It is a super-3 number, since 3×8104187925³ (a number of 31 digits) contains 333 as substring.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18009082 + ... + 18009531.

Almost surely, 2^8104187925 is an apocalyptic number.

It is an amenable number.

8104187925 is a deficient number, since it is larger than the sum of its proper divisors (6411313517).

8104187925 is a wasteful number, since it uses less digits than its factorization.

8104187925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36018629 (or 36018621 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 8104187925 is about 90023.2632434528. The cubic root of 8104187925 is about 2008.6449060438.

The spelling of 8104187925 in words is "eight billion, one hundred four million, one hundred eighty-seven thousand, nine hundred twenty-five".