86019299 has 4 divisors (see below), whose sum is σ = 86199360. Its totient is φ = 85839240.

The previous prime is 86019281. The next prime is 86019313. The reversal of 86019299 is 99291068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86019299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86019209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89312 + ... + 90269.

It is an arithmetic number, because the mean of its divisors is an integer number (21549840).

Almost surely, 2^86019299 is an apocalyptic number.

86019299 is a deficient number, since it is larger than the sum of its proper divisors (180061).

86019299 is a wasteful number, since it uses less digits than its factorization.

86019299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180060.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 86019299 is about 9274.6589694716. The cubic root of 86019299 is about 441.4335115583.

The spelling of 86019299 in words is "eighty-six million, nineteen thousand, two hundred ninety-nine".