8227805581742 has 16 divisors (see below), whose sum is σ = 12739979478912. Its totient is φ = 3981148911360.

The previous prime is 8227805581739. The next prime is 8227805581757. The reversal of 8227805581742 is 2471855087228.

It is a super-2 number, since 2×8227805581742² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4782098 + ... + 6270890.

It is an arithmetic number, because the mean of its divisors is an integer number (796248717432).

Almost surely, 2^{8227805581742} is an apocalyptic number.

8227805581742 is a deficient number, since it is larger than the sum of its proper divisors (4512173897170).

8227805581742 is a wasteful number, since it uses less digits than its factorization.

8227805581742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577963.

The product of its (nonzero) digits is 20070400, while the sum is 59.

The spelling of 8227805581742 in words is "eight trillion, two hundred twenty-seven billion, eight hundred five million, five hundred eighty-one thousand, seven hundred forty-two".