78467 has 2 divisors, whose sum is σ = 78468. Its totient is φ = 78466.

The previous prime is 78439. The next prime is 78479. The reversal of 78467 is 76487.

It is a strong prime.

78467 is a truncatable prime.

It is an emirp because it is prime and its reverse (76487) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39233 + 39234.

It is an arithmetic number, because the mean of its divisors is an integer number (39234).

2⁷⁸⁴⁶⁷ is an apocalyptic number.

78467 is a deficient number, since it is larger than the sum of its proper divisors (1).

78467 is an equidigital number, since it uses as much as digits as its factorization.

78467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 78467 is about 280.1196173066. The cubic root of 78467 is about 42.8116877854.

It can be divided in two parts, 78 and 467, that added together give a palindrome (545).

The spelling of 78467 in words is "seventy-eight thousand, four hundred sixty-seven".