86682487 has 4 divisors (see below), whose sum is σ = 88796736. Its totient is φ = 84568240.

The previous prime is 86682467. The next prime is 86682499. The reversal of 86682487 is 78428668.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 86682487 - 2¹⁹ = 86158199 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 86682487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86682457) 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, 1057063 + ... + 1057144.

It is an arithmetic number, because the mean of its divisors is an integer number (22199184).

Almost surely, 2^86682487 is an apocalyptic number.

86682487 is a deficient number, since it is larger than the sum of its proper divisors (2114249).

86682487 is a wasteful number, since it uses less digits than its factorization.

86682487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114248.

The product of its digits is 1032192, while the sum is 49.

The square root of 86682487 is about 9310.3430119411. The cubic root of 86682487 is about 442.5650570929.

The spelling of 86682487 in words is "eighty-six million, six hundred eighty-two thousand, four hundred eighty-seven".