86989305 has 32 divisors (see below), whose sum is σ = 152449920. Its totient is φ = 42094080.

The previous prime is 86989283. The next prime is 86989307. The reversal of 86989305 is 50398968.

It is not a de Polignac number, because 86989305 - 2⁹ = 86988793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86989307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7725 + ... + 15285.

It is an arithmetic number, because the mean of its divisors is an integer number (4764060).

Almost surely, 2^86989305 is an apocalyptic number.

It is an amenable number.

86989305 is a deficient number, since it is larger than the sum of its proper divisors (65460615).

86989305 is a wasteful number, since it uses less digits than its factorization.

86989305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7641.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 86989305 is about 9326.8057232903. The cubic root of 86989305 is about 443.0866043164.

The spelling of 86989305 in words is "eighty-six million, nine hundred eighty-nine thousand, three hundred five".