808846886642 has 16 divisors (see below), whose sum is σ = 1319359152600. Its totient is φ = 370346427648.

The previous prime is 808846886633. The next prime is 808846886681. The reversal of 808846886642 is 246688648808.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 738896687281 + 69950199361 = 859591^2 + 264481^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321480017 + ... + 321482532.

Almost surely, 2^808846886642 is an apocalyptic number.

808846886642 is a deficient number, since it is larger than the sum of its proper divisors (510512265958).

808846886642 is a wasteful number, since it uses less digits than its factorization.

808846886642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642962605.

The product of its (nonzero) digits is 226492416, while the sum is 68.

The spelling of 808846886642 in words is "eight hundred eight billion, eight hundred forty-six million, eight hundred eighty-six thousand, six hundred forty-two".