78593 has 2 divisors, whose sum is σ = 78594. Its totient is φ = 78592.

The previous prime is 78583. The next prime is 78607. The reversal of 78593 is 39587.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66049 + 12544 = 257^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 78593 - 2⁴ = 78577 is a prime.

It is not a weakly prime, because it can be changed into another prime (78553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39296 + 39297.

It is an arithmetic number, because the mean of its divisors is an integer number (39297).

2⁷⁸⁵⁹³ is an apocalyptic number.

It is an amenable number.

78593 is a deficient number, since it is larger than the sum of its proper divisors (1).

78593 is an equidigital number, since it uses as much as digits as its factorization.

78593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 78593 is about 280.3444310130. The cubic root of 78593 is about 42.8345907803.

It can be divided in two parts, 785 and 93, that added together give a palindrome (878).

The spelling of 78593 in words is "seventy-eight thousand, five hundred ninety-three".