82322785780025 has 24 divisors (see below), whose sum is σ = 116668581643584. Its totient is φ = 56447280993600.

The previous prime is 82322785780003. The next prime is 82322785780087. The reversal of 82322785780025 is 52008758722328.

It is a happy number.

It is not a de Polignac number, because 82322785780025 - 2¹⁸ = 82322785517881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7183562 + ... + 14705411.

It is an arithmetic number, because the mean of its divisors is an integer number (4861190901816).

Almost surely, 2^{82322785780025} is an apocalyptic number.

It is an amenable number.

82322785780025 is a deficient number, since it is larger than the sum of its proper divisors (34345795863559).

82322785780025 is a wasteful number, since it uses less digits than its factorization.

82322785780025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21910481 (or 21910476 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 59.

The spelling of 82322785780025 in words is "eighty-two trillion, three hundred twenty-two billion, seven hundred eighty-five million, seven hundred eighty thousand, twenty-five".