675639789 has 32 divisors (see below), whose sum is σ = 1085819904. Its totient is φ = 368628480.

The previous prime is 675639751. The next prime is 675639793. The reversal of 675639789 is 987936576.

675639789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 675639789 - 2¹² = 675635693 is a prime.

It is a super-3 number, since 3×675639789³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675639799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13279 + ... + 39084.

It is an arithmetic number, because the mean of its divisors is an integer number (33931872).

Almost surely, 2^675639789 is an apocalyptic number.

675639789 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

675639789 is a deficient number, since it is larger than the sum of its proper divisors (410180115).

675639789 is a wasteful number, since it uses less digits than its factorization.

675639789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52417.

The product of its digits is 17146080, while the sum is 60.

The square root of 675639789 is about 25993.0719423465. The cubic root of 675639789 is about 877.4823827438.

The spelling of 675639789 in words is "six hundred seventy-five million, six hundred thirty-nine thousand, seven hundred eighty-nine".