86239882 has 4 divisors (see below), whose sum is σ = 129359826. Its totient is φ = 43119940.

The previous prime is 86239871. The next prime is 86239889. The reversal of 86239882 is 28893268.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 77951241 + 8288641 = 8829^2 + 2879^2 .

It is not an unprimeable number, because it can be changed into a prime (86239889) by changing a digit.

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 as a sum of consecutive naturals, namely, 21559969 + ... + 21559972.

Almost surely, 2^86239882 is an apocalyptic number.

86239882 is a deficient number, since it is larger than the sum of its proper divisors (43119944).

86239882 is a wasteful number, since it uses less digits than its factorization.

86239882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43119943.

The product of its digits is 331776, while the sum is 46.

The square root of 86239882 is about 9286.5430597182. The cubic root of 86239882 is about 441.8105184836.

The spelling of 86239882 in words is "eighty-six million, two hundred thirty-nine thousand, eight hundred eighty-two".