78082 has 4 divisors (see below), whose sum is σ = 117126. Its totient is φ = 39040.

The previous prime is 78079. The next prime is 78101. The reversal of 78082 is 28087.

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

It can be written as a sum of positive squares in only one way, i.e., 48841 + 29241 = 221^2 + 171^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19519 + ... + 19522.

2⁷⁸⁰⁸² is an apocalyptic number.

78082 is a deficient number, since it is larger than the sum of its proper divisors (39044).

78082 is a wasteful number, since it uses less digits than its factorization.

78082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39043.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 78082 is about 279.4315658618. The cubic root of 78082 is about 42.7415541379.

The spelling of 78082 in words is "seventy-eight thousand, eighty-two".