84268159 has 4 divisors (see below), whose sum is σ = 87932016. Its totient is φ = 80604304.

The previous prime is 84268147. The next prime is 84268181. The reversal of 84268159 is 95186248.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84268159 - 2⁹ = 84267647 is a prime.

It is a super-2 number, since 2×84268159² = 14202245242498562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84268139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1831894 + ... + 1831939.

It is an arithmetic number, because the mean of its divisors is an integer number (21983004).

Almost surely, 2^84268159 is an apocalyptic number.

84268159 is a deficient number, since it is larger than the sum of its proper divisors (3663857).

84268159 is a wasteful number, since it uses less digits than its factorization.

84268159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663856.

The product of its digits is 138240, while the sum is 43.

The square root of 84268159 is about 9179.7690058084. The cubic root of 84268159 is about 438.4174536597.

The spelling of 84268159 in words is "eighty-four million, two hundred sixty-eight thousand, one hundred fifty-nine".