7998000125 has 36 divisors (see below), whose sum is σ = 10559578068. Its totient is φ = 6047244000.

The previous prime is 7998000113. The next prime is 7998000137. The reversal of 7998000125 is 5210008997.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (7998000113) and next prime (7998000137).

It can be written as a sum of positive squares in 6 ways, for example, as 7513075684 + 484924441 = 86678^2 + 22021^2 .

It is not a de Polignac number, because 7998000125 - 2⁸ = 7997999869 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 18997415 + ... + 18997835.

It is an arithmetic number, because the mean of its divisors is an integer number (293321613).

Almost surely, 2^7998000125 is an apocalyptic number.

It is an amenable number.

7998000125 is a deficient number, since it is larger than the sum of its proper divisors (2561577943).

7998000125 is an frugal number, since it uses more digits than its factorization.

7998000125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 7998000125 is about 89431.5387601041. The cubic root of 7998000125 is about 1999.8333298609.

The spelling of 7998000125 in words is "seven billion, nine hundred ninety-eight million, one hundred twenty-five", and thus it is an aban number.