86589679 has 12 divisors (see below), whose sum is σ = 97906680. Its totient is φ = 75857600.

The previous prime is 86589647. The next prime is 86589689. The reversal of 86589679 is 97698568.

It is not a de Polignac number, because 86589679 - 2⁵ = 86589647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86589689) 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 11 ways as a sum of consecutive naturals, for example, 165939 + ... + 166459.

It is an arithmetic number, because the mean of its divisors is an integer number (8158890).

Almost surely, 2^86589679 is an apocalyptic number.

86589679 is a deficient number, since it is larger than the sum of its proper divisors (11317001).

86589679 is an equidigital number, since it uses as much as digits as its factorization.

86589679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 561 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The square root of 86589679 is about 9305.3575428352. The cubic root of 86589679 is about 442.4070542226.

Subtracting 86589679 from its reverse (97698568), we obtain a square (11108889 = 3333²).

The spelling of 86589679 in words is "eighty-six million, five hundred eighty-nine thousand, six hundred seventy-nine".