86622427 has 4 divisors (see below), whose sum is σ = 86815800. Its totient is φ = 86429056.

The previous prime is 86622421. The next prime is 86622433. The reversal of 86622427 is 72422668.

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

It is an interprime number because it is at equal distance from previous prime (86622421) and next prime (86622433).

It is a cyclic number.

It is not a de Polignac number, because 86622427 - 2²³ = 78233819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86622421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96013 + ... + 96910.

It is an arithmetic number, because the mean of its divisors is an integer number (21703950).

Almost surely, 2^86622427 is an apocalyptic number.

86622427 is a deficient number, since it is larger than the sum of its proper divisors (193373).

86622427 is a wasteful number, since it uses less digits than its factorization.

86622427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193372.

The product of its digits is 64512, while the sum is 37.

The square root of 86622427 is about 9307.1170079676. The cubic root of 86622427 is about 442.4628196069.

The spelling of 86622427 in words is "eighty-six million, six hundred twenty-two thousand, four hundred twenty-seven".