6872987 has 8 divisors (see below), whose sum is σ = 7639920. Its totient is φ = 6129760.

The previous prime is 6872963. The next prime is 6873001. The reversal of 6872987 is 7892786.

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

It is a cyclic number.

It is not a de Polignac number, because 6872987 - 2¹² = 6868891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6872087) 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, 5312 + ... + 6477.

It is an arithmetic number, because the mean of its divisors is an integer number (954990).

Almost surely, 2^6872987 is an apocalyptic number.

6872987 is a deficient number, since it is larger than the sum of its proper divisors (766933).

6872987 is a wasteful number, since it uses less digits than its factorization.

6872987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11853.

The product of its digits is 338688, while the sum is 47.

The square root of 6872987 is about 2621.6382282840. The cubic root of 6872987 is about 190.1290628185.

The spelling of 6872987 in words is "six million, eight hundred seventy-two thousand, nine hundred eighty-seven".