13885307837 has 2 divisors, whose sum is σ = 13885307838. Its totient is φ = 13885307836.

The previous prime is 13885307819. The next prime is 13885307857. The reversal of 13885307837 is 73870358831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8153909401 + 5731398436 = 90299^2 + 75706^2 .

It is a cyclic number.

It is not a de Polignac number, because 13885307837 - 2⁸ = 13885307581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13885307857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6942653918 + 6942653919.

It is an arithmetic number, because the mean of its divisors is an integer number (6942653919).

Almost surely, 2^13885307837 is an apocalyptic number.

It is an amenable number.

13885307837 is a deficient number, since it is larger than the sum of its proper divisors (1).

13885307837 is an equidigital number, since it uses as much as digits as its factorization.

13885307837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 13885307837 in words is "thirteen billion, eight hundred eighty-five million, three hundred seven thousand, eight hundred thirty-seven".