6887963 has 4 divisors (see below), whose sum is σ = 6893760. Its totient is φ = 6882168.

The previous prime is 6887953. The next prime is 6888019. The reversal of 6887963 is 3697886.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3697886 = 2 ⋅1848943.

It is a cyclic number.

It is not a de Polignac number, because 6887963 - 2¹² = 6883867 is a prime.

It is a d-powerful number, because it can be written as 6 + 8 + 8⁷ + 7² + 9⁷ + 6⁵ + 3 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6887953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395 + ... + 3732.

It is an arithmetic number, because the mean of its divisors is an integer number (1723440).

Almost surely, 2^6887963 is an apocalyptic number.

6887963 is a deficient number, since it is larger than the sum of its proper divisors (5797).

6887963 is a wasteful number, since it uses less digits than its factorization.

6887963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796.

The product of its digits is 435456, while the sum is 47.

The square root of 6887963 is about 2624.4929034006. The cubic root of 6887963 is about 190.2670575135.

The spelling of 6887963 in words is "six million, eight hundred eighty-seven thousand, nine hundred sixty-three".