26863442782 has 16 divisors (see below), whose sum is σ = 43961065200. Its totient is φ = 12209904640.

The previous prime is 26863442743. The next prime is 26863442807. The reversal of 26863442782 is 28724436862.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497694 + ... + 549022.

It is an arithmetic number, because the mean of its divisors is an integer number (2747566575).

Almost surely, 2^26863442782 is an apocalyptic number.

26863442782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26863442782 is a deficient number, since it is larger than the sum of its proper divisors (17097622418).

26863442782 is a wasteful number, since it uses less digits than its factorization.

26863442782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75131.

The product of its digits is 6193152, while the sum is 52.

The spelling of 26863442782 in words is "twenty-six billion, eight hundred sixty-three million, four hundred forty-two thousand, seven hundred eighty-two".