8411785613 has 64 divisors (see below), whose sum is σ = 11092377600. Its totient is φ = 6189004800.

The previous prime is 8411785601. The next prime is 8411785619. The reversal of 8411785613 is 3165871148.

It is not a de Polignac number, because 8411785613 - 2²⁶ = 8344676749 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 (8411785619) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23829245 + ... + 23829597.

It is an arithmetic number, because the mean of its divisors is an integer number (173318400).

Almost surely, 2^8411785613 is an apocalyptic number.

It is an amenable number.

8411785613 is a deficient number, since it is larger than the sum of its proper divisors (2680591987).

8411785613 is a wasteful number, since it uses less digits than its factorization.

8411785613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its digits is 161280, while the sum is 44.

The square root of 8411785613 is about 91715.7871524854. The cubic root of 8411785613 is about 2033.7429720560.

The spelling of 8411785613 in words is "eight billion, four hundred eleven million, seven hundred eighty-five thousand, six hundred thirteen".