27220389717 has 32 divisors (see below), whose sum is σ = 37800040960. Its totient is φ = 17409712320.

The previous prime is 27220389673. The next prime is 27220389719. The reversal of 27220389717 is 71798302272.

It is not a de Polignac number, because 27220389717 - 2⁸ = 27220389461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27220389719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6757458 + ... + 6761484.

It is an arithmetic number, because the mean of its divisors is an integer number (1181251280).

Almost surely, 2^27220389717 is an apocalyptic number.

It is an amenable number.

27220389717 is a deficient number, since it is larger than the sum of its proper divisors (10579651243).

27220389717 is a wasteful number, since it uses less digits than its factorization.

27220389717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993.

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 27220389717 in words is "twenty-seven billion, two hundred twenty million, three hundred eighty-nine thousand, seven hundred seventeen".