13885765104779 has 2 divisors, whose sum is σ = 13885765104780. Its totient is φ = 13885765104778.

The previous prime is 13885765104769. The next prime is 13885765104851. The reversal of 13885765104779 is 97740156758831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13885765104779 - 2¹⁶ = 13885765039243 is a prime.

It is not a weakly prime, because it can be changed into another prime (13885765104769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6942882552389 + 6942882552390.

It is an arithmetic number, because the mean of its divisors is an integer number (6942882552390).

Almost surely, 2^{13885765104779} is an apocalyptic number.

13885765104779 is a deficient number, since it is larger than the sum of its proper divisors (1).

13885765104779 is an equidigital number, since it uses as much as digits as its factorization.

13885765104779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 355622400, while the sum is 71.

The spelling of 13885765104779 in words is "thirteen trillion, eight hundred eighty-five billion, seven hundred sixty-five million, one hundred four thousand, seven hundred seventy-nine".