80079 has 4 divisors (see below), whose sum is σ = 106776. Its totient is φ = 53384.
The previous prime is 80077. The next prime is 80107. The reversal of 80079 is 97008.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80079 - 21 = 80077 is a prime.
It is a D-number.
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 in 3 ways as a sum of consecutive naturals, for example, 13344 + ... + 13349.
It is an arithmetic number, because the mean of its divisors is an integer number (26694).
280079 is an apocalyptic number.
80079 is a deficient number, since it is larger than the sum of its proper divisors (26697).
80079 is a wasteful number, since it uses less digits than its factorization.
80079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26696.
The product of its (nonzero) digits is 504, while the sum is 24.
The square root of 80079 is about 282.9823316039. The cubic root of 80079 is about 43.1028724962.
The spelling of 80079 in words is "eighty thousand, seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •