87683687 has 24 divisors (see below), whose sum is σ = 110602800. Its totient is φ = 68898816.

The previous prime is 87683647. The next prime is 87683719. The reversal of 87683687 is 78638678.

It is not a de Polignac number, because 87683687 - 2¹⁴ = 87667303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87683627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113639 + ... + 114407.

It is an arithmetic number, because the mean of its divisors is an integer number (4608450).

Almost surely, 2^87683687 is an apocalyptic number.

87683687 is a deficient number, since it is larger than the sum of its proper divisors (22919113).

87683687 is a wasteful number, since it uses less digits than its factorization.

87683687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 968 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 87683687 is about 9363.9568025488. The cubic root of 87683687 is about 444.2624435893.

The spelling of 87683687 in words is "eighty-seven million, six hundred eighty-three thousand, six hundred eighty-seven".