10787864 has 8 divisors (see below), whose sum is σ = 20227260. Its totient is φ = 5393928.

The previous prime is 10787849. The next prime is 10787869. The reversal of 10787864 is 46878701.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10787869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674234 + ... + 674249.

Almost surely, 2^10787864 is an apocalyptic number.

It is an amenable number.

10787864 is a deficient number, since it is larger than the sum of its proper divisors (9439396).

10787864 is a wasteful number, since it uses less digits than its factorization.

10787864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348489 (or 1348485 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 10787864 is about 3284.4883924289. The cubic root of 10787864 is about 220.9590636898.

The spelling of 10787864 in words is "ten million, seven hundred eighty-seven thousand, eight hundred sixty-four".