78027 has 8 divisors (see below), whose sum is σ = 107520. Its totient is φ = 50280.

The previous prime is 78017. The next prime is 78031. The reversal of 78027 is 72087.

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

It is not a de Polignac number, because 78027 - 2⁷ = 77899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77988 and 78006.

It is not an unprimeable number, because it can be changed into a prime (78007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327 + ... + 512.

It is an arithmetic number, because the mean of its divisors is an integer number (13440).

2⁷⁸⁰²⁷ is an apocalyptic number.

78027 is a deficient number, since it is larger than the sum of its proper divisors (29493).

78027 is a wasteful number, since it uses less digits than its factorization.

78027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 78027 is about 279.3331344470. Note that the first 3 decimals coincide. The cubic root of 78027 is about 42.7315162390.

The spelling of 78027 in words is "seventy-eight thousand, twenty-seven".