82444474784785 has 8 divisors (see below), whose sum is σ = 98940015452736. Its totient is φ = 65951149353840.

The previous prime is 82444474784773. The next prime is 82444474784803. The reversal of 82444474784785 is 58748747444428.

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 82444474784785 - 2¹¹ = 82444474782737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553727371 + ... + 553876240.

It is an arithmetic number, because the mean of its divisors is an integer number (12367501931592).

Almost surely, 2^{82444474784785} is an apocalyptic number.

It is an amenable number.

82444474784785 is a deficient number, since it is larger than the sum of its proper divisors (16495540667951).

82444474784785 is a wasteful number, since it uses less digits than its factorization.

82444474784785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107618503.

The product of its digits is 7193231360, while the sum is 76.

The spelling of 82444474784785 in words is "eighty-two trillion, four hundred forty-four billion, four hundred seventy-four million, seven hundred eighty-four thousand, seven hundred eighty-five".