82575752780028 has 24 divisors (see below), whose sum is σ = 192712168650960. Its totient is φ = 27520192046080.

The previous prime is 82575752779981. The next prime is 82575752780029. The reversal of 82575752780028 is 82008725757528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82575752780029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 632292063 + ... + 632422646.

It is an arithmetic number, because the mean of its divisors is an integer number (8029673693790).

Almost surely, 2^{82575752780028} is an apocalyptic number.

It is an amenable number.

82575752780028 is an abundant number, since it is smaller than the sum of its proper divisors (110136415870932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82575752780028 is a wasteful number, since it uses less digits than its factorization.

82575752780028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264720157 (or 1264720155 counting only the distinct ones).

The product of its (nonzero) digits is 175616000, while the sum is 66.

The spelling of 82575752780028 in words is "eighty-two trillion, five hundred seventy-five billion, seven hundred fifty-two million, seven hundred eighty thousand, twenty-eight".