6887887886 has 8 divisors (see below), whose sum is σ = 11271089304. Its totient is φ = 3130858120.

The previous prime is 6887887879. The next prime is 6887887891.

6887887886 is nontrivially palindromic in base 10.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156542885 + ... + 156542928.

It is an arithmetic number, because the mean of its divisors is an integer number (1408886163).

Almost surely, 2^6887887886 is an apocalyptic number.

6887887886 is a deficient number, since it is larger than the sum of its proper divisors (4383201418).

6887887886 is a wasteful number, since it uses less digits than its factorization.

6887887886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313085826.

The product of its digits is 462422016, while the sum is 74.

The square root of 6887887886 is about 82993.3002476706. The cubic root of 6887887886 is about 1902.6636588324.

The spelling of 6887887886 in words is "six billion, eight hundred eighty-seven million, eight hundred eighty-seven thousand, eight hundred eighty-six".