6877689166 has 4 divisors (see below), whose sum is σ = 10316533752. Its totient is φ = 3438844582.

The previous prime is 6877689163. The next prime is 6877689173. The reversal of 6877689166 is 6619867786.

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

It is a super-2 number, since 2×6877689166² = 94605216528227551112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6877689098 and 6877689107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6877689163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719422290 + ... + 1719422293.

It is an arithmetic number, because the mean of its divisors is an integer number (2579133438).

Almost surely, 2^6877689166 is an apocalyptic number.

6877689166 is a deficient number, since it is larger than the sum of its proper divisors (3438844586).

6877689166 is a wasteful number, since it uses less digits than its factorization.

6877689166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438844585.

The product of its digits is 36578304, while the sum is 64.

The square root of 6877689166 is about 82931.8344545688. The cubic root of 6877689166 is about 1901.7241197708.

The spelling of 6877689166 in words is "six billion, eight hundred seventy-seven million, six hundred eighty-nine thousand, one hundred sixty-six".