80471447 has 16 divisors (see below), whose sum is σ = 95073792. Its totient is φ = 66679200.

The previous prime is 80471431. The next prime is 80471453. The reversal of 80471447 is 74417408.

It is not a de Polignac number, because 80471447 - 2⁴ = 80471431 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80471407) 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, 29078 + ... + 31724.

It is an arithmetic number, because the mean of its divisors is an integer number (5942112).

Almost surely, 2^80471447 is an apocalyptic number.

80471447 is a deficient number, since it is larger than the sum of its proper divisors (14602345).

80471447 is a wasteful number, since it uses less digits than its factorization.

80471447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 80471447 is about 8970.5878848602. The cubic root of 80471447 is about 431.7316988993.

The spelling of 80471447 in words is "eighty million, four hundred seventy-one thousand, four hundred forty-seven".