78794 has 4 divisors (see below), whose sum is σ = 118194. Its totient is φ = 39396.

The previous prime is 78791. The next prime is 78797. The reversal of 78794 is 49787.

78794 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (78791) and next prime (78797).

It can be written as a sum of positive squares in only one way, i.e., 60025 + 18769 = 245^2 + 137^2 .

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (78791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19697 + ... + 19700.

2⁷⁸⁷⁹⁴ is an apocalyptic number.

78794 is a deficient number, since it is larger than the sum of its proper divisors (39400).

78794 is a wasteful number, since it uses less digits than its factorization.

78794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39399.

The product of its digits is 14112, while the sum is 35.

The square root of 78794 is about 280.7026896914. The cubic root of 78794 is about 42.8710758931.

The spelling of 78794 in words is "seventy-eight thousand, seven hundred ninety-four".