13774123885 has 4 divisors (see below), whose sum is σ = 16528948668. Its totient is φ = 11019299104.

The previous prime is 13774123841. The next prime is 13774123901. The reversal of 13774123885 is 58832147731.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1382426761 + 12391697124 = 37181^2 + 111318^2 .

It is a cyclic number.

It is not a de Polignac number, because 13774123885 - 2¹⁵ = 13774091117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377412384 + ... + 1377412393.

It is an arithmetic number, because the mean of its divisors is an integer number (4132237167).

Almost surely, 2^13774123885 is an apocalyptic number.

It is an amenable number.

13774123885 is a deficient number, since it is larger than the sum of its proper divisors (2754824783).

13774123885 is an equidigital number, since it uses as much as digits as its factorization.

13774123885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754824782.

The product of its digits is 1128960, while the sum is 49.

The spelling of 13774123885 in words is "thirteen billion, seven hundred seventy-four million, one hundred twenty-three thousand, eight hundred eighty-five".