6887159 has 6 divisors (see below), whose sum is σ = 7316424. Its totient is φ = 6481760.

The previous prime is 6887149. The next prime is 6887161. The reversal of 6887159 is 9517886.

It is a happy number.

It is not a de Polignac number, because 6887159 - 2¹⁶ = 6821623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11627 + ... + 12204.

It is an arithmetic number, because the mean of its divisors is an integer number (1219404).

Almost surely, 2^6887159 is an apocalyptic number.

6887159 is a deficient number, since it is larger than the sum of its proper divisors (429265).

6887159 is a wasteful number, since it uses less digits than its factorization.

6887159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23865 (or 23848 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The square root of 6887159 is about 2624.3397264836. The cubic root of 6887159 is about 190.2596542282.

The spelling of 6887159 in words is "six million, eight hundred eighty-seven thousand, one hundred fifty-nine".