80842971 has 8 divisors (see below), whose sum is σ = 117589824. Its totient is φ = 48995720.

The previous prime is 80842969. The next prime is 80842987. The reversal of 80842971 is 17924808.

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

It is a cyclic number.

It is not a de Polignac number, because 80842971 - 2¹ = 80842969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80842271) 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, 1224861 + ... + 1224926.

It is an arithmetic number, because the mean of its divisors is an integer number (14698728).

Almost surely, 2^80842971 is an apocalyptic number.

80842971 is a deficient number, since it is larger than the sum of its proper divisors (36746853).

80842971 is a wasteful number, since it uses less digits than its factorization.

80842971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449801.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 80842971 is about 8991.2719344929. The cubic root of 80842971 is about 432.3950914429.

It can be divided in two parts, 80 and 842971, that added together give a triangular number (843051 = T₁₂₉₈).

The spelling of 80842971 in words is "eighty million, eight hundred forty-two thousand, nine hundred seventy-one".