7872520252613 has 8 divisors (see below), whose sum is σ = 7927760685600. Its totient is φ = 7817461234128.

The previous prime is 7872520252573. The next prime is 7872520252621. The reversal of 7872520252613 is 3162520252787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7872520252613 - 2³⁰ = 7871446510789 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 (7872520252633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45266531 + ... + 45440112.

It is an arithmetic number, because the mean of its divisors is an integer number (990970085700).

Almost surely, 2^{7872520252613} is an apocalyptic number.

It is an amenable number.

7872520252613 is a deficient number, since it is larger than the sum of its proper divisors (55240432987).

7872520252613 is a wasteful number, since it uses less digits than its factorization.

7872520252613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90707251.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 7872520252613 in words is "seven trillion, eight hundred seventy-two billion, five hundred twenty million, two hundred fifty-two thousand, six hundred thirteen".