8113685807 has 2 divisors, whose sum is σ = 8113685808. Its totient is φ = 8113685806.

The previous prime is 8113685771. The next prime is 8113685819. The reversal of 8113685807 is 7085863118.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8113685807 - 2¹⁴ = 8113669423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8113685207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056842903 + 4056842904.

It is an arithmetic number, because the mean of its divisors is an integer number (4056842904).

Almost surely, 2^8113685807 is an apocalyptic number.

8113685807 is a deficient number, since it is larger than the sum of its proper divisors (1).

8113685807 is an equidigital number, since it uses as much as digits as its factorization.

8113685807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 8113685807 is about 90076.0001720769. Note that the first 3 decimals coincide. The cubic root of 8113685807 is about 2009.4292916154.

The spelling of 8113685807 in words is "eight billion, one hundred thirteen million, six hundred eighty-five thousand, eight hundred seven".