86528911 has 8 divisors (see below), whose sum is σ = 100082304. Its totient is φ = 73273560.

The previous prime is 86528899. The next prime is 86528917. The reversal of 86528911 is 11982568.

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 86528911 - 2²³ = 78140303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86528917) 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 in 7 ways as a sum of consecutive naturals, for example, 73885 + ... + 75046.

It is an arithmetic number, because the mean of its divisors is an integer number (12510288).

Almost surely, 2^86528911 is an apocalyptic number.

86528911 is a deficient number, since it is larger than the sum of its proper divisors (13553393).

86528911 is a wasteful number, since it uses less digits than its factorization.

86528911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149021.

The product of its digits is 34560, while the sum is 40.

The square root of 86528911 is about 9302.0917540089. The cubic root of 86528911 is about 442.3035373306.

The spelling of 86528911 in words is "eighty-six million, five hundred twenty-eight thousand, nine hundred eleven".