27221362859 has 4 divisors (see below), whose sum is σ = 27223105104. Its totient is φ = 27219620616.

The previous prime is 27221362771. The next prime is 27221362919. The reversal of 27221362859 is 95826312272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27221362859 - 2⁸ = 27221362603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27221361859) 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, 847472 + ... + 879005.

It is an arithmetic number, because the mean of its divisors is an integer number (6805776276).

Almost surely, 2^27221362859 is an apocalyptic number.

27221362859 is a deficient number, since it is larger than the sum of its proper divisors (1742245).

27221362859 is a wasteful number, since it uses less digits than its factorization.

27221362859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742244.

The product of its digits is 725760, while the sum is 47.

The spelling of 27221362859 in words is "twenty-seven billion, two hundred twenty-one million, three hundred sixty-two thousand, eight hundred fifty-nine".