86588689 has 12 divisors (see below), whose sum is σ = 96526080. Its totient is φ = 77600600.

The previous prime is 86588687. The next prime is 86588717. The reversal of 86588689 is 98688568.

It is not a de Polignac number, because 86588689 - 2¹ = 86588687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86588683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3552 + ... + 13630.

It is an arithmetic number, because the mean of its divisors is an integer number (8043840).

Almost surely, 2^86588689 is an apocalyptic number.

It is an amenable number.

86588689 is a deficient number, since it is larger than the sum of its proper divisors (9937391).

86588689 is a wasteful number, since it uses less digits than its factorization.

86588689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10172 (or 10161 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 58.

The square root of 86588689 is about 9305.3043475214. The cubic root of 86588689 is about 442.4053681685.

The spelling of 86588689 in words is "eighty-six million, five hundred eighty-eight thousand, six hundred eighty-nine".