86988535 has 4 divisors (see below), whose sum is σ = 104386248. Its totient is φ = 69590824.

The previous prime is 86988521. The next prime is 86988571. The reversal of 86988535 is 53588968.

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 86988535 - 2¹⁵ = 86955767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8698849 + ... + 8698858.

It is an arithmetic number, because the mean of its divisors is an integer number (26096562).

Almost surely, 2^86988535 is an apocalyptic number.

86988535 is a deficient number, since it is larger than the sum of its proper divisors (17397713).

86988535 is a wasteful number, since it uses less digits than its factorization.

86988535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17397712.

The product of its digits is 2073600, while the sum is 52.

The square root of 86988535 is about 9326.7644443290. The cubic root of 86988535 is about 443.0852969614.

The spelling of 86988535 in words is "eighty-six million, nine hundred eighty-eight thousand, five hundred thirty-five".