442786088447 has 8 divisors (see below), whose sum is σ = 452397221280. Its totient is φ = 433221499360.

The previous prime is 442786088441. The next prime is 442786088471. The reversal of 442786088447 is 744880687244.

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

It is a cyclic number.

It is not a de Polignac number, because 442786088447 - 2²⁰ = 442785039871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442786088447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442786088441) 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, 11616704 + ... + 11654757.

It is an arithmetic number, because the mean of its divisors is an integer number (56549652660).

Almost surely, 2^442786088447 is an apocalyptic number.

442786088447 is a deficient number, since it is larger than the sum of its proper divisors (9611132833).

442786088447 is a wasteful number, since it uses less digits than its factorization.

442786088447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23271873.

The product of its (nonzero) digits is 77070336, while the sum is 62.

The spelling of 442786088447 in words is "four hundred forty-two billion, seven hundred eighty-six million, eighty-eight thousand, four hundred forty-seven".