82825231728566 has 16 divisors (see below), whose sum is σ = 124457293078560. Its totient is φ = 41339468658240.

The previous prime is 82825231728461. The next prime is 82825231728601. The reversal of 82825231728566 is 66582713252828.

It is a congruent 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, 166123271 + ... + 166621101.

It is an arithmetic number, because the mean of its divisors is an integer number (7778580817410).

Almost surely, 2^{82825231728566} is an apocalyptic number.

82825231728566 is a deficient number, since it is larger than the sum of its proper divisors (41632061349994).

82825231728566 is a wasteful number, since it uses less digits than its factorization.

82825231728566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644599.

The product of its digits is 154828800, while the sum is 65.

The spelling of 82825231728566 in words is "eighty-two trillion, eight hundred twenty-five billion, two hundred thirty-one million, seven hundred twenty-eight thousand, five hundred sixty-six".