6989089886 has 8 divisors (see below), whose sum is σ = 10520943984. Its totient is φ = 3482108560.

The previous prime is 6989089883. The next prime is 6989089931. The reversal of 6989089886 is 6889809896.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989089883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6217490 + ... + 6218613.

It is an arithmetic number, because the mean of its divisors is an integer number (1315117998).

Almost surely, 2^6989089886 is an apocalyptic number.

6989089886 is a deficient number, since it is larger than the sum of its proper divisors (3531854098).

6989089886 is a wasteful number, since it uses less digits than its factorization.

6989089886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12436386.

The product of its (nonzero) digits is 107495424, while the sum is 71.

The square root of 6989089886 is about 83600.7768265343. The cubic root of 6989089886 is about 1911.9368423245.

The spelling of 6989089886 in words is "six billion, nine hundred eighty-nine million, eighty-nine thousand, eight hundred eighty-six".