6889217072 has 80 divisors (see below), whose sum is σ = 13916778912. Its totient is φ = 3301079040.

The previous prime is 6889217059. The next prime is 6889217081. The reversal of 6889217072 is 2707129886.

It is a super-2 number, since 2×6889217072² = 94922623730272506368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6889217072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14030747 + ... + 14031237.

Almost surely, 2^6889217072 is an apocalyptic number.

It is an amenable number.

6889217072 is an abundant number, since it is smaller than the sum of its proper divisors (7027561840).

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

6889217072 is a wasteful number, since it uses less digits than its factorization.

6889217072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 6889217072 is about 83001.3076523497. The cubic root of 6889217072 is about 1902.7860394170.

The spelling of 6889217072 in words is "six billion, eight hundred eighty-nine million, two hundred seventeen thousand, seventy-two".