8787864 has 16 divisors (see below), whose sum is σ = 21969720. Its totient is φ = 2929280.

The previous prime is 8787859. The next prime is 8787887. The reversal of 8787864 is 4687878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183057 + ... + 183104.

Almost surely, 2^8787864 is an apocalyptic number.

It is an amenable number.

8787864 is an abundant number, since it is smaller than the sum of its proper divisors (13181856).

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

8787864 is a wasteful number, since it uses less digits than its factorization.

8787864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366170 (or 366166 counting only the distinct ones).

The product of its digits is 602112, while the sum is 48.

The square root of 8787864 is about 2964.4331667285. The cubic root of 8787864 is about 206.3610722211.

The spelling of 8787864 in words is "eight million, seven hundred eighty-seven thousand, eight hundred sixty-four".