802443447 has 12 divisors (see below), whose sum is σ = 1248245544. Its totient is φ = 493811280.

The previous prime is 802443443. The next prime is 802443497. The reversal of 802443447 is 744344208.

It is a happy number.

It is not a de Polignac number, because 802443447 - 2² = 802443443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802443443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3429129 + ... + 3429362.

It is an arithmetic number, because the mean of its divisors is an integer number (104020462).

Almost surely, 2^802443447 is an apocalyptic number.

802443447 is a deficient number, since it is larger than the sum of its proper divisors (445802097).

802443447 is a wasteful number, since it uses less digits than its factorization.

802443447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858510 (or 6858507 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The square root of 802443447 is about 28327.4327640187. The cubic root of 802443447 is about 929.2619291454.

The spelling of 802443447 in words is "eight hundred two million, four hundred forty-three thousand, four hundred forty-seven".