7875313125 has 20 divisors (see below), whose sum is σ = 13121324832. Its totient is φ = 4200166000.

The previous prime is 7875313079. The next prime is 7875313207. The reversal of 7875313125 is 5213135787.

It is a happy number.

It is not a de Polignac number, because 7875313125 - 2²⁹ = 7338442213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2098209 + ... + 2101958.

Almost surely, 2^7875313125 is an apocalyptic number.

7875313125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7875313125 is a deficient number, since it is larger than the sum of its proper divisors (5246011707).

7875313125 is an equidigital number, since it uses as much as digits as its factorization.

7875313125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200190 (or 4200175 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 7875313125 is about 88742.9609884638. The cubic root of 7875313125 is about 1989.5549727477.

The spelling of 7875313125 in words is "seven billion, eight hundred seventy-five million, three hundred thirteen thousand, one hundred twenty-five".