7887163 has 4 divisors (see below), whose sum is σ = 7904520. Its totient is φ = 7869808.

The previous prime is 7887161. The next prime is 7887169. The reversal of 7887163 is 3617887.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7887163 - 2¹ = 7887161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7887161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7978 + ... + 8911.

It is an arithmetic number, because the mean of its divisors is an integer number (1976130).

Almost surely, 2^7887163 is an apocalyptic number.

7887163 is a deficient number, since it is larger than the sum of its proper divisors (17357).

7887163 is a wasteful number, since it uses less digits than its factorization.

7887163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17356.

The product of its digits is 56448, while the sum is 40.

The square root of 7887163 is about 2808.4093362614. The cubic root of 7887163 is about 199.0552357970.

The spelling of 7887163 in words is "seven million, eight hundred eighty-seven thousand, one hundred sixty-three".