86885885 has 8 divisors (see below), whose sum is σ = 107858520. Its totient is φ = 67111744.

The previous prime is 86885857. The next prime is 86885891. The reversal of 86885885 is 58858868.

It can be written as a sum of positive squares in 4 ways, for example, as 21631801 + 65254084 = 4651^2 + 8078^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 86885885 - 2¹² = 86881789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86885885.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299462 + ... + 299751.

It is an arithmetic number, because the mean of its divisors is an integer number (13482315).

Almost surely, 2^86885885 is an apocalyptic number.

It is an amenable number.

86885885 is a deficient number, since it is larger than the sum of its proper divisors (20972635).

86885885 is a wasteful number, since it uses less digits than its factorization.

86885885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599247.

The product of its digits is 4915200, while the sum is 56.

The square root of 86885885 is about 9321.2598397427. The cubic root of 86885885 is about 442.9109421534.

The spelling of 86885885 in words is "eighty-six million, eight hundred eighty-five thousand, eight hundred eighty-five".