80940471 has 8 divisors (see below), whose sum is σ = 108929664. Its totient is φ = 53455800.

The previous prime is 80940467. The next prime is 80940493. The reversal of 80940471 is 17404908.

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

It is not a de Polignac number, because 80940471 - 2² = 80940467 is a prime.

It is a super-3 number, since 3×80940471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80940401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125755 + ... + 126396.

It is an arithmetic number, because the mean of its divisors is an integer number (13616208).

Almost surely, 2^80940471 is an apocalyptic number.

80940471 is a deficient number, since it is larger than the sum of its proper divisors (27989193).

80940471 is a wasteful number, since it uses less digits than its factorization.

80940471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252261.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 80940471 is about 8996.6922254793. The cubic root of 80940471 is about 432.5688504555.

The spelling of 80940471 in words is "eighty million, nine hundred forty thousand, four hundred seventy-one".