13456667782 has 8 divisors (see below), whose sum is σ = 20209411656. Its totient is φ = 6720197232.

The previous prime is 13456667779. The next prime is 13456667789. The reversal of 13456667782 is 28776665431.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456667789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4066263 + ... + 4069570.

It is an arithmetic number, because the mean of its divisors is an integer number (2526176457).

Almost surely, 2^13456667782 is an apocalyptic number.

13456667782 is a deficient number, since it is larger than the sum of its proper divisors (6752743874).

13456667782 is an equidigital number, since it uses as much as digits as its factorization.

13456667782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136662.

The product of its digits is 10160640, while the sum is 55.

The spelling of 13456667782 in words is "thirteen billion, four hundred fifty-six million, six hundred sixty-seven thousand, seven hundred eighty-two".