78283 has 2 divisors, whose sum is σ = 78284. Its totient is φ = 78282.

The previous prime is 78277. The next prime is 78301. The reversal of 78283 is 38287.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (38287) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78283 is a prime.

It is a super-2 number, since 2×78283² = 12256456178, which contains 22 as substring.

78283 is a lucky number.

It is equal to p₇₆₈₇ and since 78283 and 7687 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (78203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39141 + 39142.

It is an arithmetic number, because the mean of its divisors is an integer number (39142).

2⁷⁸²⁸³ is an apocalyptic number.

78283 is a deficient number, since it is larger than the sum of its proper divisors (1).

78283 is an equidigital number, since it uses as much as digits as its factorization.

78283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 78283 is about 279.7909934219. The cubic root of 78283 is about 42.7781980556.

It can be divided in two parts, 78 and 283, that added together give a square (361 = 19²).

The spelling of 78283 in words is "seventy-eight thousand, two hundred eighty-three".