83066689 has 8 divisors (see below), whose sum is σ = 88873280. Its totient is φ = 77403600.

The previous prime is 83066681. The next prime is 83066699. The reversal of 83066689 is 98666038.

It is a happy number.

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 83066689 - 2³ = 83066681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83066681) 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, 34677 + ... + 36994.

It is an arithmetic number, because the mean of its divisors is an integer number (11109160).

Almost surely, 2^83066689 is an apocalyptic number.

It is an amenable number.

83066689 is a deficient number, since it is larger than the sum of its proper divisors (5806591).

83066689 is a wasteful number, since it uses less digits than its factorization.

83066689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71751.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 83066689 is about 9114.0928786139. The cubic root of 83066689 is about 436.3238640347.

The spelling of 83066689 in words is "eighty-three million, sixty-six thousand, six hundred eighty-nine".