6627900789 has 16 divisors (see below), whose sum is σ = 10396707840. Its totient is φ = 4158682560.

The previous prime is 6627900779. The next prime is 6627900793. The reversal of 6627900789 is 9870097266.

6627900789 is a `hidden beast` number, since 6 + 627 + 9 + 0 + 0 + 7 + 8 + 9 = 666.

It is not a de Polignac number, because 6627900789 - 2⁹ = 6627900277 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6627900709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7219477 + ... + 7220394.

It is an arithmetic number, because the mean of its divisors is an integer number (649794240).

Almost surely, 2^6627900789 is an apocalyptic number.

It is an amenable number.

6627900789 is a deficient number, since it is larger than the sum of its proper divisors (3768807051).

6627900789 is a wasteful number, since it uses less digits than its factorization.

6627900789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439897 (or 14439891 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 6627900789 is about 81411.9204355234. The cubic root of 6627900789 is about 1878.4169551600.

The spelling of 6627900789 in words is "six billion, six hundred twenty-seven million, nine hundred thousand, seven hundred eighty-nine".