44421774787 has 8 divisors (see below), whose sum is σ = 49382023040. Its totient is φ = 39681982080.

The previous prime is 44421774779. The next prime is 44421774791. The reversal of 44421774787 is 78747712444.

It is a happy number.

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

It is not a de Polignac number, because 44421774787 - 2³ = 44421774779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44421774737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55113462 + ... + 55114267.

It is an arithmetic number, because the mean of its divisors is an integer number (6172752880).

Almost surely, 2^44421774787 is an apocalyptic number.

44421774787 is a deficient number, since it is larger than the sum of its proper divisors (4960248253).

44421774787 is a wasteful number, since it uses less digits than its factorization.

44421774787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110227773.

The product of its digits is 9834496, while the sum is 55.

The spelling of 44421774787 in words is "forty-four billion, four hundred twenty-one million, seven hundred seventy-four thousand, seven hundred eighty-seven".