65789975 has 12 divisors (see below), whose sum is σ = 81720216. Its totient is φ = 52541280.

The previous prime is 65789963. The next prime is 65790001. The reversal of 65789975 is 57998756.

It is not a de Polignac number, because 65789975 - 2¹⁰ = 65788951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65789975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15149 + ... + 19001.

It is an arithmetic number, because the mean of its divisors is an integer number (6810018).

Almost surely, 2^65789975 is an apocalyptic number.

65789975 is a deficient number, since it is larger than the sum of its proper divisors (15930241).

65789975 is a wasteful number, since it uses less digits than its factorization.

65789975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546 (or 4541 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 56.

The square root of 65789975 is about 8111.1019596600. The cubic root of 65789975 is about 403.6948791637.

The spelling of 65789975 in words is "sixty-five million, seven hundred eighty-nine thousand, nine hundred seventy-five".