13795564987 has 4 divisors (see below), whose sum is σ = 14055858720. Its totient is φ = 13535271256.

The previous prime is 13795564969. The next prime is 13795565009. The reversal of 13795564987 is 78946559731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13795564987 - 2²³ = 13787176379 is a prime.

It is a super-2 number, since 2×13795564987² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13795564927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130146787 + ... + 130146892.

It is an arithmetic number, because the mean of its divisors is an integer number (3513964680).

Almost surely, 2^13795564987 is an apocalyptic number.

13795564987 is a deficient number, since it is larger than the sum of its proper divisors (260293733).

13795564987 is an equidigital number, since it uses as much as digits as its factorization.

13795564987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260293732.

The product of its digits is 57153600, while the sum is 64.

The spelling of 13795564987 in words is "thirteen billion, seven hundred ninety-five million, five hundred sixty-four thousand, nine hundred eighty-seven".