13982416678 has 4 divisors (see below), whose sum is σ = 20973625020. Its totient is φ = 6991208338.

The previous prime is 13982416639. The next prime is 13982416687. The reversal of 13982416678 is 87661428931.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495604168 + ... + 3495604171.

It is an arithmetic number, because the mean of its divisors is an integer number (5243406255).

Almost surely, 2^13982416678 is an apocalyptic number.

13982416678 is a deficient number, since it is larger than the sum of its proper divisors (6991208342).

13982416678 is an equidigital number, since it uses as much as digits as its factorization.

13982416678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991208341.

The product of its digits is 3483648, while the sum is 55.

The spelling of 13982416678 in words is "thirteen billion, nine hundred eighty-two million, four hundred sixteen thousand, six hundred seventy-eight".