8103708125 has 20 divisors (see below), whose sum is σ = 10179013548. Its totient is φ = 6449280000.

The previous prime is 8103708101. The next prime is 8103708127. The reversal of 8103708125 is 5218073018.

It can be written as a sum of positive squares in 10 ways, for example, as 4577604964 + 3526103161 = 67658^2 + 59381^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8103708125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8103708127) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 87035 + ... + 154215.

Almost surely, 2^8103708125 is an apocalyptic number.

It is an amenable number.

8103708125 is a deficient number, since it is larger than the sum of its proper divisors (2075305423).

8103708125 is an equidigital number, since it uses as much as digits as its factorization.

8103708125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67394 (or 67379 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 8103708125 is about 90020.5983372695. The cubic root of 8103708125 is about 2008.6052653520.

The spelling of 8103708125 in words is "eight billion, one hundred three million, seven hundred eight thousand, one hundred twenty-five".