82100052187 has 16 divisors (see below), whose sum is σ = 84586844160. Its totient is φ = 79647227712.

The previous prime is 82100052137. The next prime is 82100052283. The reversal of 82100052187 is 78125000128.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82100052187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82100052107) 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 15 ways as a sum of consecutive naturals, for example, 2425264 + ... + 2458882.

It is an arithmetic number, because the mean of its divisors is an integer number (5286677760).

Almost surely, 2^82100052187 is an apocalyptic number.

82100052187 is a deficient number, since it is larger than the sum of its proper divisors (2486791973).

82100052187 is a wasteful number, since it uses less digits than its factorization.

82100052187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34122.

The product of its (nonzero) digits is 8960, while the sum is 34.

The spelling of 82100052187 in words is "eighty-two billion, one hundred million, fifty-two thousand, one hundred eighty-seven".