83097689 has 4 divisors (see below), whose sum is σ = 86710656. Its totient is φ = 79484724.

The previous prime is 83097647. The next prime is 83097709. The reversal of 83097689 is 98679038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83097689 - 2²⁰ = 82049113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83097389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806449 + ... + 1806494.

It is an arithmetic number, because the mean of its divisors is an integer number (21677664).

Almost surely, 2^83097689 is an apocalyptic number.

It is an amenable number.

83097689 is a deficient number, since it is larger than the sum of its proper divisors (3612967).

83097689 is a wasteful number, since it uses less digits than its factorization.

83097689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612966.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 83097689 is about 9115.7933829152. The cubic root of 83097689 is about 436.3781351177.

The spelling of 83097689 in words is "eighty-three million, ninety-seven thousand, six hundred eighty-nine".