86975459 has 4 divisors (see below), whose sum is σ = 86994120. Its totient is φ = 86956800.

The previous prime is 86975453. The next prime is 86975467. The reversal of 86975459 is 95457968.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86975459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86975459.

It is not an unprimeable number, because it can be changed into a prime (86975453) 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, 4259 + ... + 13859.

It is an arithmetic number, because the mean of its divisors is an integer number (21748530).

Almost surely, 2^86975459 is an apocalyptic number.

86975459 is a deficient number, since it is larger than the sum of its proper divisors (18661).

86975459 is an equidigital number, since it uses as much as digits as its factorization.

86975459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18660.

The product of its digits is 2721600, while the sum is 53.

The square root of 86975459 is about 9326.0634246181. The cubic root of 86975459 is about 443.0630945196.

The spelling of 86975459 in words is "eighty-six million, nine hundred seventy-five thousand, four hundred fifty-nine".