80842911 has 8 divisors (see below), whose sum is σ = 108477744. Its totient is φ = 53551680.

The previous prime is 80842889. The next prime is 80842933. The reversal of 80842911 is 11924808.

It is an interprime number because it is at equal distance from previous prime (80842889) and next prime (80842933).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80842911 - 2⁶ = 80842847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80842711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85350 + ... + 86291.

It is an arithmetic number, because the mean of its divisors is an integer number (13559718).

Almost surely, 2^80842911 is an apocalyptic number.

80842911 is a deficient number, since it is larger than the sum of its proper divisors (27634833).

80842911 is a wasteful number, since it uses less digits than its factorization.

80842911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171801.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 80842911 is about 8991.2685979232. The cubic root of 80842911 is about 432.3949844712.

The spelling of 80842911 in words is "eighty million, eight hundred forty-two thousand, nine hundred eleven".