27220086 has 48 divisors (see below), whose sum is σ = 63239904. Its totient is φ = 8439552.

The previous prime is 27220079. The next prime is 27220093. The reversal of 27220086 is 68002272.

It is an interprime number because it is at equal distance from previous prime (27220079) and next prime (27220093).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14430 + ... + 16206.

It is an arithmetic number, because the mean of its divisors is an integer number (1317498).

Almost surely, 2^27220086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27220086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31619952).

27220086 is an abundant number, since it is smaller than the sum of its proper divisors (36019818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27220086 is a wasteful number, since it uses less digits than its factorization.

27220086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 27220086 is about 5217.2872261358. The cubic root of 27220086 is about 300.8129285011.

The spelling of 27220086 in words is "twenty-seven million, two hundred twenty thousand, eighty-six".