78583 has 2 divisors, whose sum is σ = 78584. Its totient is φ = 78582.

The previous prime is 78577. The next prime is 78593. The reversal of 78583 is 38587.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78583 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78553) 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 as a sum of consecutive naturals, namely, 39291 + 39292.

It is an arithmetic number, because the mean of its divisors is an integer number (39292).

2⁷⁸⁵⁸³ is an apocalyptic number.

78583 is a deficient number, since it is larger than the sum of its proper divisors (1).

78583 is an equidigital number, since it uses as much as digits as its factorization.

78583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 31.

The square root of 78583 is about 280.3265952420. The cubic root of 78583 is about 42.8327739770.

It can be divided in two parts, 785 and 83, that added together give a palindrome (868).

The spelling of 78583 in words is "seventy-eight thousand, five hundred eighty-three".