12782897582 has 32 divisors (see below), whose sum is σ = 23637899712. Its totient is φ = 5048676864.

The previous prime is 12782897497. The next prime is 12782897597. The reversal of 12782897582 is 28579828721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54278 + ... + 168854.

It is an arithmetic number, because the mean of its divisors is an integer number (738684366).

Almost surely, 2^12782897582 is an apocalyptic number.

12782897582 is a deficient number, since it is larger than the sum of its proper divisors (10855002130).

12782897582 is a wasteful number, since it uses less digits than its factorization.

12782897582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115212.

The product of its digits is 9031680, while the sum is 59.

The spelling of 12782897582 in words is "twelve billion, seven hundred eighty-two million, eight hundred ninety-seven thousand, five hundred eighty-two".