13861782874 has 8 divisors (see below), whose sum is σ = 21055872960. Its totient is φ = 6843158556.

The previous prime is 13861782871. The next prime is 13861782917. The reversal of 13861782874 is 47828716831.

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

It is not an unprimeable number, because it can be changed into a prime (13861782871) 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, 43866244 + ... + 43866559.

It is an arithmetic number, because the mean of its divisors is an integer number (2631984120).

Almost surely, 2^13861782874 is an apocalyptic number.

13861782874 is a deficient number, since it is larger than the sum of its proper divisors (7194090086).

13861782874 is an equidigital number, since it uses as much as digits as its factorization.

13861782874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87732884.

The product of its digits is 3612672, while the sum is 55.

The spelling of 13861782874 in words is "thirteen billion, eight hundred sixty-one million, seven hundred eighty-two thousand, eight hundred seventy-four".