80842063 has 4 divisors (see below), whose sum is σ = 81128008. Its totient is φ = 80556120.

The previous prime is 80842061. The next prime is 80842109. The reversal of 80842063 is 36024808.

It is a happy number.

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 80842063 - 2¹ = 80842061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80842061) 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, 142548 + ... + 143113.

It is an arithmetic number, because the mean of its divisors is an integer number (20282002).

Almost surely, 2^80842063 is an apocalyptic number.

80842063 is a deficient number, since it is larger than the sum of its proper divisors (285945).

80842063 is a wasteful number, since it uses less digits than its factorization.

80842063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285944.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 80842063 is about 8991.2214409389. The cubic root of 80842063 is about 432.3934725999.

The spelling of 80842063 in words is "eighty million, eight hundred forty-two thousand, sixty-three".