13782081847 has 2 divisors, whose sum is σ = 13782081848. Its totient is φ = 13782081846.

The previous prime is 13782081811. The next prime is 13782081881. The reversal of 13782081847 is 74818028731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13782081847 - 2²³ = 13773693239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13782081847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13782031847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6891040923 + 6891040924.

It is an arithmetic number, because the mean of its divisors is an integer number (6891040924).

Almost surely, 2^13782081847 is an apocalyptic number.

13782081847 is a deficient number, since it is larger than the sum of its proper divisors (1).

13782081847 is an equidigital number, since it uses as much as digits as its factorization.

13782081847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 13782081847 in words is "thirteen billion, seven hundred eighty-two million, eighty-one thousand, eight hundred forty-seven".