6864668886 has 32 divisors (see below), whose sum is σ = 13782763008. Its totient is φ = 2279337120.

The previous prime is 6864668869. The next prime is 6864668903. The reversal of 6864668886 is 6888664686.

It is an interprime number because it is at equal distance from previous prime (6864668869) and next prime (6864668903).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2033496 + ... + 2036868.

It is an arithmetic number, because the mean of its divisors is an integer number (430711344).

Almost surely, 2^6864668886 is an apocalyptic number.

6864668886 is an abundant number, since it is smaller than the sum of its proper divisors (6918094122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6864668886 is a wasteful number, since it uses less digits than its factorization.

6864668886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596.

The product of its digits is 127401984, while the sum is 66.

The square root of 6864668886 is about 82853.2973755420. The cubic root of 6864668886 is about 1900.5232987036.

The spelling of 6864668886 in words is "six billion, eight hundred sixty-four million, six hundred sixty-eight thousand, eight hundred eighty-six".