86945285 has 8 divisors (see below), whose sum is σ = 119239296. Its totient is φ = 59619600.

The previous prime is 86945279. The next prime is 86945317. The reversal of 86945285 is 58254968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86945285 - 2¹⁰ = 86944261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1242041 + ... + 1242110.

It is an arithmetic number, because the mean of its divisors is an integer number (14904912).

Almost surely, 2^86945285 is an apocalyptic number.

It is an amenable number.

86945285 is a deficient number, since it is larger than the sum of its proper divisors (32294011).

86945285 is a wasteful number, since it uses less digits than its factorization.

86945285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484163.

The product of its digits is 691200, while the sum is 47.

The square root of 86945285 is about 9324.4455599247. The cubic root of 86945285 is about 443.0118519726.

The spelling of 86945285 in words is "eighty-six million, nine hundred forty-five thousand, two hundred eighty-five".