86987435 has 4 divisors (see below), whose sum is σ = 104384928. Its totient is φ = 69589944.

The previous prime is 86987431. The next prime is 86987447. The reversal of 86987435 is 53478968.

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 86987435 - 2² = 86987431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86987431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8698739 + ... + 8698748.

It is an arithmetic number, because the mean of its divisors is an integer number (26096232).

Almost surely, 2^86987435 is an apocalyptic number.

86987435 is a deficient number, since it is larger than the sum of its proper divisors (17397493).

86987435 is a wasteful number, since it uses less digits than its factorization.

86987435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17397492.

The product of its digits is 1451520, while the sum is 50.

The square root of 86987435 is about 9326.7054740675. The cubic root of 86987435 is about 443.0834292981.

The spelling of 86987435 in words is "eighty-six million, nine hundred eighty-seven thousand, four hundred thirty-five".