82281330825 has 24 divisors (see below), whose sum is σ = 136058830368. Its totient is φ = 43876807680.

The previous prime is 82281330779. The next prime is 82281330829. The reversal of 82281330825 is 52803318228.

It is not a de Polignac number, because 82281330825 - 2¹⁴ = 82281314441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82281330829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 444654 + ... + 601896.

It is an arithmetic number, because the mean of its divisors is an integer number (5669117932).

Almost surely, 2^82281330825 is an apocalyptic number.

It is an amenable number.

82281330825 is a deficient number, since it is larger than the sum of its proper divisors (53777499543).

82281330825 is a wasteful number, since it uses less digits than its factorization.

82281330825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164233 (or 164228 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 82281330825 in words is "eighty-two billion, two hundred eighty-one million, three hundred thirty thousand, eight hundred twenty-five".