80078 has 4 divisors (see below), whose sum is σ = 120120. Its totient is φ = 40038.

The previous prime is 80077. The next prime is 80107. The reversal of 80078 is 87008.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20018 + ... + 20021.

It is an arithmetic number, because the mean of its divisors is an integer number (30030).

2⁸⁰⁰⁷⁸ is an apocalyptic number.

80078 is a deficient number, since it is larger than the sum of its proper divisors (40042).

80078 is a wasteful number, since it uses less digits than its factorization.

80078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40041.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 80078 is about 282.9805647037. The cubic root of 80078 is about 43.1026930773.

It can be divided in two parts, 800 and 78, that added together give a palindrome (878).

The spelling of 80078 in words is "eighty thousand, seventy-eight".