13858727491797 has 8 divisors (see below), whose sum is σ = 18977716925856. Its totient is φ = 8989444859472.

The previous prime is 13858727491793. The next prime is 13858727491799. The reversal of 13858727491797 is 79719472785831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13858727491797 - 2² = 13858727491793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13858727491793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62426700303 + ... + 62426700524.

It is an arithmetic number, because the mean of its divisors is an integer number (2372214615732).

Almost surely, 2^{13858727491797} is an apocalyptic number.

It is an amenable number.

13858727491797 is a deficient number, since it is larger than the sum of its proper divisors (5118989434059).

13858727491797 is a wasteful number, since it uses less digits than its factorization.

13858727491797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124853400867.

The product of its digits is 1493614080, while the sum is 78.

The spelling of 13858727491797 in words is "thirteen trillion, eight hundred fifty-eight billion, seven hundred twenty-seven million, four hundred ninety-one thousand, seven hundred ninety-seven".