27898661854226 has 16 divisors (see below), whose sum is σ = 41940594883968. Its totient is φ = 13918466746800.

The previous prime is 27898661854171. The next prime is 27898661854249. The reversal of 27898661854226 is 62245816689872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16937561 + ... + 18511571.

It is an arithmetic number, because the mean of its divisors is an integer number (2621287180248).

Almost surely, 2^{27898661854226} is an apocalyptic number.

27898661854226 is a deficient number, since it is larger than the sum of its proper divisors (14041933029742).

27898661854226 is a wasteful number, since it uses less digits than its factorization.

27898661854226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593617.

The product of its digits is 1114767360, while the sum is 74.

The spelling of 27898661854226 in words is "twenty-seven trillion, eight hundred ninety-eight billion, six hundred sixty-one million, eight hundred fifty-four thousand, two hundred twenty-six".