78259 has 2 divisors, whose sum is σ = 78260. Its totient is φ = 78258.

The previous prime is 78241. The next prime is 78277. The reversal of 78259 is 95287.

It is a balanced prime because it is at equal distance from previous prime (78241) and next prime (78277).

It is an emirp because it is prime and its reverse (95287) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78259 - 2⁹ = 77747 is a prime.

It is a super-2 number, since 2×78259² = 12248942162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78259.

It is not a weakly prime, because it can be changed into another prime (78229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39129 + 39130.

It is an arithmetic number, because the mean of its divisors is an integer number (39130).

2⁷⁸²⁵⁹ is an apocalyptic number.

78259 is a deficient number, since it is larger than the sum of its proper divisors (1).

78259 is an equidigital number, since it uses as much as digits as its factorization.

78259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 78259 is about 279.7481009766. The cubic root of 78259 is about 42.7738259625.

It can be divided in two parts, 782 and 59, that added together give a square (841 = 29²).

The spelling of 78259 in words is "seventy-eight thousand, two hundred fifty-nine".