83299689 has 12 divisors (see below), whose sum is σ = 131260272. Its totient is φ = 50484600.

The previous prime is 83299679. The next prime is 83299703. The reversal of 83299689 is 98699238.

It is not a de Polignac number, because 83299689 - 2⁷ = 83299561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83299679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420607 + ... + 420804.

It is an arithmetic number, because the mean of its divisors is an integer number (10938356).

Almost surely, 2^83299689 is an apocalyptic number.

It is an amenable number.

83299689 is a deficient number, since it is larger than the sum of its proper divisors (47960583).

83299689 is a wasteful number, since it uses less digits than its factorization.

83299689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841428 (or 841425 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 83299689 is about 9126.8663296884. The cubic root of 83299689 is about 436.7314423909.

The spelling of 83299689 in words is "eighty-three million, two hundred ninety-nine thousand, six hundred eighty-nine".