82840416745 has 8 divisors (see below), whose sum is σ = 99499958784. Its totient is φ = 66211360944.

The previous prime is 82840416721. The next prime is 82840416749. The reversal of 82840416745 is 54761404828.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82840416745 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82840416749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7615579 + ... + 7626448.

It is an arithmetic number, because the mean of its divisors is an integer number (12437494848).

Almost surely, 2^82840416745 is an apocalyptic number.

It is an amenable number.

82840416745 is a deficient number, since it is larger than the sum of its proper divisors (16659542039).

82840416745 is a wasteful number, since it uses less digits than its factorization.

82840416745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15243119.

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 82840416745 in words is "eighty-two billion, eight hundred forty million, four hundred sixteen thousand, seven hundred forty-five".