78894 has 20 divisors (see below), whose sum is σ = 177144. Its totient is φ = 26244.

The previous prime is 78893. The next prime is 78901. The reversal of 78894 is 49887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78893) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82 + ... + 405.

2⁷⁸⁸⁹⁴ is an apocalyptic number.

78894 is an abundant number, since it is smaller than the sum of its proper divisors (98250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78894 is a wasteful number, since it uses less digits than its factorization.

78894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 492 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 78894 is about 280.8807576179. The cubic root of 78894 is about 42.8892045799.

The spelling of 78894 in words is "seventy-eight thousand, eight hundred ninety-four".