6670887 has 8 divisors (see below), whose sum is σ = 8910960. Its totient is φ = 4439040.

The previous prime is 6670883. The next prime is 6670901. The reversal of 6670887 is 7880766.

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

It is not a de Polignac number, because 6670887 - 2² = 6670883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670883) 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, 189 + ... + 3657.

It is an arithmetic number, because the mean of its divisors is an integer number (1113870).

Almost surely, 2^6670887 is an apocalyptic number.

6670887 is a deficient number, since it is larger than the sum of its proper divisors (2240073).

6670887 is a wasteful number, since it uses less digits than its factorization.

6670887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113.

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

The square root of 6670887 is about 2582.8060322061. The cubic root of 6670887 is about 188.2469122559.

It can be divided in two parts, 66708 and 87, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 6670887 in words is "six million, six hundred seventy thousand, eight hundred eighty-seven".