7857835113 has 4 divisors (see below), whose sum is σ = 10477113488. Its totient is φ = 5238556740.

The previous prime is 7857835091. The next prime is 7857835133. The reversal of 7857835113 is 3115387587.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7857835113 - 2⁶ = 7857835049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7857835133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309639183 + ... + 1309639188.

It is an arithmetic number, because the mean of its divisors is an integer number (2619278372).

Almost surely, 2^7857835113 is an apocalyptic number.

It is an amenable number.

7857835113 is a deficient number, since it is larger than the sum of its proper divisors (2619278375).

7857835113 is a wasteful number, since it uses less digits than its factorization.

7857835113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619278374.

The product of its digits is 705600, while the sum is 48.

The square root of 7857835113 is about 88644.4308064528. The cubic root of 7857835113 is about 1988.0820483641.

The spelling of 7857835113 in words is "seven billion, eight hundred fifty-seven million, eight hundred thirty-five thousand, one hundred thirteen".