83969359 has 4 divisors (see below), whose sum is σ = 86678080. Its totient is φ = 81260640.

The previous prime is 83969351. The next prime is 83969363. The reversal of 83969359 is 95396938.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83969359 - 2³ = 83969351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83969351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354314 + ... + 1354375.

It is an arithmetic number, because the mean of its divisors is an integer number (21669520).

Almost surely, 2^83969359 is an apocalyptic number.

83969359 is a deficient number, since it is larger than the sum of its proper divisors (2708721).

83969359 is a wasteful number, since it uses less digits than its factorization.

83969359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708720.

The product of its digits is 1574640, while the sum is 52.

The square root of 83969359 is about 9163.4796338509. The cubic root of 83969359 is about 437.8986563833.

The spelling of 83969359 in words is "eighty-three million, nine hundred sixty-nine thousand, three hundred fifty-nine".