611672789 has 16 divisors (see below), whose sum is σ = 773179008. Its totient is φ = 470878272.

The previous prime is 611672723. The next prime is 611672819. The reversal of 611672789 is 987276116.

611672789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 611672789 - 2¹⁶ = 611607253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611672389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87467 + ... + 94200.

It is an arithmetic number, because the mean of its divisors is an integer number (48323688).

Almost surely, 2^611672789 is an apocalyptic number.

It is an amenable number.

611672789 is a deficient number, since it is larger than the sum of its proper divisors (161506219).

611672789 is a wasteful number, since it uses less digits than its factorization.

611672789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181724.

The product of its digits is 254016, while the sum is 47.

The square root of 611672789 is about 24732.0195091303. The cubic root of 611672789 is about 848.8671362557.

The spelling of 611672789 in words is "six hundred eleven million, six hundred seventy-two thousand, seven hundred eighty-nine".