13782749181878 has 8 divisors (see below), whose sum is σ = 20674165278360. Its totient is φ = 6891360755760.

The previous prime is 13782749181853. The next prime is 13782749181881. The reversal of 13782749181878 is 87818194728731.

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

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, 5623943 + ... + 7693778.

It is an arithmetic number, because the mean of its divisors is an integer number (2584270659795).

Almost surely, 2^{13782749181878} is an apocalyptic number.

13782749181878 is a deficient number, since it is larger than the sum of its proper divisors (6891416096482).

13782749181878 is a wasteful number, since it uses less digits than its factorization.

13782749181878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13835182.

The product of its digits is 303464448, while the sum is 74.

The spelling of 13782749181878 in words is "thirteen trillion, seven hundred eighty-two billion, seven hundred forty-nine million, one hundred eighty-one thousand, eight hundred seventy-eight".