80471443 has 16 divisors (see below), whose sum is σ = 89945856. Its totient is φ = 71493120.

The previous prime is 80471431. The next prime is 80471453. The reversal of 80471443 is 34417408.

It is a cyclic number.

It is not a de Polignac number, because 80471443 - 2²¹ = 78374291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (80471423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93471 + ... + 94327.

It is an arithmetic number, because the mean of its divisors is an integer number (5621616).

Almost surely, 2^80471443 is an apocalyptic number.

80471443 is a deficient number, since it is larger than the sum of its proper divisors (9474413).

80471443 is a wasteful number, since it uses less digits than its factorization.

80471443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 80471443 is about 8970.5876619093. The cubic root of 80471443 is about 431.7316917459.

The spelling of 80471443 in words is "eighty million, four hundred seventy-one thousand, four hundred forty-three".