87676687 has 8 divisors (see below), whose sum is σ = 100653056. Its totient is φ = 74813112.

The previous prime is 87676663. The next prime is 87676691. The reversal of 87676687 is 78667678.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87676687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87676607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26523 + ... + 29644.

It is an arithmetic number, because the mean of its divisors is an integer number (12581632).

Almost surely, 2^87676687 is an apocalyptic number.

87676687 is a deficient number, since it is larger than the sum of its proper divisors (12976369).

87676687 is a wasteful number, since it uses less digits than its factorization.

87676687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56397.

The product of its digits is 4741632, while the sum is 55.

The square root of 87676687 is about 9363.5830214721. The cubic root of 87676687 is about 444.2506210942.

Subtracting from 87676687 its reverse (78667678), we obtain a palindrome (9009009).

The spelling of 87676687 in words is "eighty-seven million, six hundred seventy-six thousand, six hundred eighty-seven".