27424720859 has 8 divisors (see below), whose sum is σ = 29192490000. Its totient is φ = 25689388032.

The previous prime is 27424720847. The next prime is 27424720861. The reversal of 27424720859 is 95802742472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27424720859 - 2¹² = 27424716763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27424720819) by changing a digit.

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, 8107334 + ... + 8110715.

It is an arithmetic number, because the mean of its divisors is an integer number (3649061250).

Almost surely, 2^27424720859 is an apocalyptic number.

27424720859 is a deficient number, since it is larger than the sum of its proper divisors (1767769141).

27424720859 is a wasteful number, since it uses less digits than its factorization.

27424720859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16218157.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 27424720859 in words is "twenty-seven billion, four hundred twenty-four million, seven hundred twenty thousand, eight hundred fifty-nine".