8081447 has 8 divisors (see below), whose sum is σ = 8854272. Its totient is φ = 7315000.

The previous prime is 8081419. The next prime is 8081471. The reversal of 8081447 is 7441808.

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

It is not a de Polignac number, because 8081447 - 2⁶ = 8081383 is a prime.

It is a super-2 number, since 2×8081447² = 130619571227618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081497) 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, 1298 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (1106784).

Almost surely, 2^8081447 is an apocalyptic number.

8081447 is a deficient number, since it is larger than the sum of its proper divisors (772825).

8081447 is a wasteful number, since it uses less digits than its factorization.

8081447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 8081447 is about 2842.7885957278. The cubic root of 8081447 is about 200.6764346019.

The spelling of 8081447 in words is "eight million, eighty-one thousand, four hundred forty-seven".