86687467 has 4 divisors (see below), whose sum is σ = 89676720. Its totient is φ = 83698216.

The previous prime is 86687453. The next prime is 86687473. The reversal of 86687467 is 76478668.

86687467 is nontrivially palindromic in base 15.

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 86687467 - 2⁷ = 86687339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86687477) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1494583 + ... + 1494640.

It is an arithmetic number, because the mean of its divisors is an integer number (22419180).

Almost surely, 2^86687467 is an apocalyptic number.

86687467 is a deficient number, since it is larger than the sum of its proper divisors (2989253).

86687467 is a wasteful number, since it uses less digits than its factorization.

86687467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989252.

The product of its digits is 2709504, while the sum is 52.

The square root of 86687467 is about 9310.6104525965. The cubic root of 86687467 is about 442.5735322065.

The spelling of 86687467 in words is "eighty-six million, six hundred eighty-seven thousand, four hundred sixty-seven".