11878459637782 has 8 divisors (see below), whose sum is σ = 17841670198416. Its totient is φ = 5931236238312.

The previous prime is 11878459637767. The next prime is 11878459637789. The reversal of 11878459637782 is 28773695487811.

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

It is a junction number, because it is equal to n+sod(n) for n = 11878459637699 and 11878459637708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11878459637789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3996788433 + ... + 3996791404.

It is an arithmetic number, because the mean of its divisors is an integer number (2230208774802).

Almost surely, 2^{11878459637782} is an apocalyptic number.

11878459637782 is a deficient number, since it is larger than the sum of its proper divisors (5963210560634).

11878459637782 is an equidigital number, since it uses as much as digits as its factorization.

11878459637782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993580582.

The product of its digits is 1137991680, while the sum is 76.

The spelling of 11878459637782 in words is "eleven trillion, eight hundred seventy-eight billion, four hundred fifty-nine million, six hundred thirty-seven thousand, seven hundred eighty-two".