8785507013 has 2 divisors, whose sum is σ = 8785507014. Its totient is φ = 8785507012.

The previous prime is 8785507001. The next prime is 8785507021. The reversal of 8785507013 is 3107055878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7308027169 + 1477479844 = 85487^2 + 38438^2 .

It is a cyclic number.

It is not a de Polignac number, because 8785507013 - 2¹² = 8785502917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8785507813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4392753506 + 4392753507.

It is an arithmetic number, because the mean of its divisors is an integer number (4392753507).

Almost surely, 2^8785507013 is an apocalyptic number.

It is an amenable number.

8785507013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8785507013 is an equidigital number, since it uses as much as digits as its factorization.

8785507013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 44.

The square root of 8785507013 is about 93731.0354845181. The cubic root of 8785507013 is about 2063.4262125066.

The spelling of 8785507013 in words is "eight billion, seven hundred eighty-five million, five hundred seven thousand, thirteen".