86622659 has 2 divisors, whose sum is σ = 86622660. Its totient is φ = 86622658.

The previous prime is 86622647. The next prime is 86622671. The reversal of 86622659 is 95622668.

It is a balanced prime because it is at equal distance from previous prime (86622647) and next prime (86622671).

It is a cyclic number.

It is not a de Polignac number, because 86622659 - 2¹⁶ = 86557123 is a prime.

It is not a weakly prime, because it can be changed into another prime (86622619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43311329 + 43311330.

It is an arithmetic number, because the mean of its divisors is an integer number (43311330).

Almost surely, 2^86622659 is an apocalyptic number.

86622659 is a deficient number, since it is larger than the sum of its proper divisors (1).

86622659 is an equidigital number, since it uses as much as digits as its factorization.

86622659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 86622659 is about 9307.1294715395. The cubic root of 86622659 is about 442.4632146211.

Subtracting 86622659 from its reverse (95622668), we obtain a palindrome (9000009).

The spelling of 86622659 in words is "eighty-six million, six hundred twenty-two thousand, six hundred fifty-nine".