78854 has 8 divisors (see below), whose sum is σ = 119880. Its totient is φ = 38896.

The previous prime is 78853. The next prime is 78857. The reversal of 78854 is 45887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 78854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44 + ... + 399.

It is an arithmetic number, because the mean of its divisors is an integer number (14985).

2⁷⁸⁸⁵⁴ is an apocalyptic number.

78854 is a deficient number, since it is larger than the sum of its proper divisors (41026).

78854 is a wasteful number, since it uses less digits than its factorization.

78854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its digits is 8960, while the sum is 32.

The square root of 78854 is about 280.8095439974. The cubic root of 78854 is about 42.8819549445.

The spelling of 78854 in words is "seventy-eight thousand, eight hundred fifty-four".