6885386881 has 8 divisors (see below), whose sum is σ = 7185599424. Its totient is φ = 6585245040.

The previous prime is 6885386861. The next prime is 6885386909. The reversal of 6885386881 is 1886835886.

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

It is a cyclic number.

It is not a de Polignac number, because 6885386881 - 2⁹ = 6885386369 is a prime.

It is a super-2 number, since 2×6885386881² = 94817105002093816322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6885386861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313851 + ... + 335071.

It is an arithmetic number, because the mean of its divisors is an integer number (898199928).

Almost surely, 2^6885386881 is an apocalyptic number.

It is an amenable number.

6885386881 is a deficient number, since it is larger than the sum of its proper divisors (300212543).

6885386881 is a wasteful number, since it uses less digits than its factorization.

6885386881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35351.

The product of its digits is 17694720, while the sum is 61.

The square root of 6885386881 is about 82978.2313682330. The cubic root of 6885386881 is about 1902.4333440408.

The spelling of 6885386881 in words is "six billion, eight hundred eighty-five million, three hundred eighty-six thousand, eight hundred eighty-one".