6672777889 has 8 divisors (see below), whose sum is σ = 6689999520. Its totient is φ = 6655572000.

The previous prime is 6672777887. The next prime is 6672777907. The reversal of 6672777889 is 9887772766.

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 6672777889 - 2¹ = 6672777887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6672777887) 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, 1730814 + ... + 1734664.

It is an arithmetic number, because the mean of its divisors is an integer number (836249940).

Almost surely, 2^6672777889 is an apocalyptic number.

It is an amenable number.

6672777889 is a deficient number, since it is larger than the sum of its proper divisors (17221631).

6672777889 is a wasteful number, since it uses less digits than its factorization.

6672777889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7871.

The product of its digits is 99574272, while the sum is 67.

The square root of 6672777889 is about 81687.0729613933. The cubic root of 6672777889 is about 1882.6469701666.

The spelling of 6672777889 in words is "six billion, six hundred seventy-two million, seven hundred seventy-seven thousand, eight hundred eighty-nine".