80005127 has 4 divisors (see below), whose sum is σ = 80496120. Its totient is φ = 79514136.

The previous prime is 80005097. The next prime is 80005151. The reversal of 80005127 is 72150008.

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 80005127 - 2¹⁰ = 80004103 is a prime.

It is a super-2 number, since 2×80005127² = 12801640692572258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80005187) 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, 245252 + ... + 245577.

It is an arithmetic number, because the mean of its divisors is an integer number (20124030).

Almost surely, 2^80005127 is an apocalyptic number.

80005127 is a deficient number, since it is larger than the sum of its proper divisors (490993).

80005127 is a wasteful number, since it uses less digits than its factorization.

80005127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490992.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 80005127 is about 8944.5585134203. The cubic root of 80005127 is about 430.8961426320.

The spelling of 80005127 in words is "eighty million, five thousand, one hundred twenty-seven".