82250266543 has 4 divisors (see below), whose sum is σ = 86579227960. Its totient is φ = 77921305128.

The previous prime is 82250266519. The next prime is 82250266547. The reversal of 82250266543 is 34566205228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82250266543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82250266543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82250266547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164480680 + ... + 2164480717.

It is an arithmetic number, because the mean of its divisors is an integer number (21644806990).

Almost surely, 2^82250266543 is an apocalyptic number.

82250266543 is a deficient number, since it is larger than the sum of its proper divisors (4328961417).

82250266543 is a wasteful number, since it uses less digits than its factorization.

82250266543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328961416.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 82250266543 in words is "eighty-two billion, two hundred fifty million, two hundred sixty-six thousand, five hundred forty-three".