86885439 has 8 divisors (see below), whose sum is σ = 115941120. Its totient is φ = 57876696.

The previous prime is 86885431. The next prime is 86885441. The reversal of 86885439 is 93458868.

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

It is not a de Polignac number, because 86885439 - 2³ = 86885431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86885391 and 86885400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86885431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7159 + ... + 15000.

It is an arithmetic number, because the mean of its divisors is an integer number (14492640).

Almost surely, 2^86885439 is an apocalyptic number.

86885439 is a deficient number, since it is larger than the sum of its proper divisors (29055681).

86885439 is a wasteful number, since it uses less digits than its factorization.

86885439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23469.

The product of its digits is 1658880, while the sum is 51.

The square root of 86885439 is about 9321.2359159073. The cubic root of 86885439 is about 442.9101843064.

The spelling of 86885439 in words is "eighty-six million, eight hundred eighty-five thousand, four hundred thirty-nine".