7871935725 has 48 divisors (see below), whose sum is σ = 15089808000. Its totient is φ = 4015820160.

The previous prime is 7871935691. The next prime is 7871935727. The reversal of 7871935725 is 5275391787.

It is a happy number.

It is not a de Polignac number, because 7871935725 - 2⁶ = 7871935661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7871935727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238000 + ... + 269049.

It is an arithmetic number, because the mean of its divisors is an integer number (314371000).

Almost surely, 2^7871935725 is an apocalyptic number.

7871935725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7871935725 is a deficient number, since it is larger than the sum of its proper divisors (7217872275).

7871935725 is a wasteful number, since it uses less digits than its factorization.

7871935725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507091 (or 507080 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 54.

The square root of 7871935725 is about 88723.9298329374. The cubic root of 7871935725 is about 1989.2705191366.

The spelling of 7871935725 in words is "seven billion, eight hundred seventy-one million, nine hundred thirty-five thousand, seven hundred twenty-five".