83280359 has 2 divisors, whose sum is σ = 83280360. Its totient is φ = 83280358.

The previous prime is 83280319. The next prime is 83280361. The reversal of 83280359 is 95308238.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83280359 is a prime.

Together with 83280361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83280319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41640179 + 41640180.

It is an arithmetic number, because the mean of its divisors is an integer number (41640180).

Almost surely, 2^83280359 is an apocalyptic number.

83280359 is a deficient number, since it is larger than the sum of its proper divisors (1).

83280359 is an equidigital number, since it uses as much as digits as its factorization.

83280359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 83280359 is about 9125.8073067537. The cubic root of 83280359 is about 436.6976580637.

The spelling of 83280359 in words is "eighty-three million, two hundred eighty thousand, three hundred fifty-nine".