6687087 has 8 divisors (see below), whose sum is σ = 9726720. Its totient is φ = 4052760.

The previous prime is 6687077. The next prime is 6687097. The reversal of 6687087 is 7807866.

It is an interprime number because it is at equal distance from previous prime (6687077) and next prime (6687097).

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

It is not a de Polignac number, because 6687087 - 2²² = 2492783 is a prime.

6687087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6687017) 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, 101287 + ... + 101352.

It is an arithmetic number, because the mean of its divisors is an integer number (1215840).

Almost surely, 2^6687087 is an apocalyptic number.

6687087 is a deficient number, since it is larger than the sum of its proper divisors (3039633).

6687087 is a wasteful number, since it uses less digits than its factorization.

6687087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202653.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 6687087 is about 2585.9402545303. The cubic root of 6687087 is about 188.3991726020.

It can be divided in two parts, 66 and 87087, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 6687087 in words is "six million, six hundred eighty-seven thousand, eighty-seven".