10687864 has 16 divisors (see below), whose sum is σ = 21861720. Its totient is φ = 4858080.

The previous prime is 10687837. The next prime is 10687867. The reversal of 10687864 is 46878601.

It is a super-2 number, since 2×10687864² = 228460873764992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10687867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60639 + ... + 60814.

Almost surely, 2^10687864 is an apocalyptic number.

It is an amenable number.

10687864 is an abundant number, since it is smaller than the sum of its proper divisors (11173856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10687864 is a wasteful number, since it uses less digits than its factorization.

10687864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121470 (or 121466 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 10687864 is about 3269.2298787329. The cubic root of 10687864 is about 220.2742035508.

The spelling of 10687864 in words is "ten million, six hundred eighty-seven thousand, eight hundred sixty-four".