83814689 has 8 divisors (see below), whose sum is σ = 96286080. Its totient is φ = 71467776.

The previous prime is 83814667. The next prime is 83814721. The reversal of 83814689 is 98641838.

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 83814689 - 2⁸ = 83814433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83814629) 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, 29669 + ... + 32370.

It is an arithmetic number, because the mean of its divisors is an integer number (12035760).

Almost surely, 2^83814689 is an apocalyptic number.

It is an amenable number.

83814689 is a deficient number, since it is larger than the sum of its proper divisors (12471391).

83814689 is a wasteful number, since it uses less digits than its factorization.

83814689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62239.

The product of its digits is 331776, while the sum is 47.

The square root of 83814689 is about 9155.0362642646. The cubic root of 83814689 is about 437.6296240669.

The spelling of 83814689 in words is "eighty-three million, eight hundred fourteen thousand, six hundred eighty-nine".