13877831893 has 4 divisors (see below), whose sum is σ = 14173104960. Its totient is φ = 13582558828.

The previous prime is 13877831837. The next prime is 13877831923. The reversal of 13877831893 is 39813877831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13877831893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13877871893) 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, 147636463 + ... + 147636556.

It is an arithmetic number, because the mean of its divisors is an integer number (3543276240).

Almost surely, 2^13877831893 is an apocalyptic number.

It is an amenable number.

13877831893 is a deficient number, since it is larger than the sum of its proper divisors (295273067).

13877831893 is an equidigital number, since it uses as much as digits as its factorization.

13877831893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295273066.

The product of its digits is 6096384, while the sum is 58.

The spelling of 13877831893 in words is "thirteen billion, eight hundred seventy-seven million, eight hundred thirty-one thousand, eight hundred ninety-three".