82216545843 has 16 divisors (see below), whose sum is σ = 111628684800. Its totient is φ = 53810196000.

The previous prime is 82216545739. The next prime is 82216545949. The reversal of 82216545843 is 34854561228.

It is not a de Polignac number, because 82216545843 - 2¹³ = 82216537651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82216545792 and 82216545801.

It is not an unprimeable number, because it can be changed into a prime (82216545143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176328 + ... + 442181.

It is an arithmetic number, because the mean of its divisors is an integer number (6976792800).

Almost surely, 2^82216545843 is an apocalyptic number.

82216545843 is a deficient number, since it is larger than the sum of its proper divisors (29412138957).

82216545843 is a wasteful number, since it uses less digits than its factorization.

82216545843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619322.

The product of its digits is 1843200, while the sum is 48.

The spelling of 82216545843 in words is "eighty-two billion, two hundred sixteen million, five hundred forty-five thousand, eight hundred forty-three".