82273439563 has 6 divisors (see below), whose sum is σ = 95705837916. Its totient is φ = 70520091012.

The previous prime is 82273439557. The next prime is 82273439639. The reversal of 82273439563 is 36593437228.

It is not a de Polignac number, because 82273439563 - 2⁹ = 82273439051 is a prime.

It is a super-2 number, since 2×82273439563² (a number of 23 digits) contains 22 as substring.

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 82273439563.

It is not an unprimeable number, because it can be changed into a prime (82273439503) 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 5 ways as a sum of consecutive naturals, for example, 839524845 + ... + 839524942.

It is an arithmetic number, because the mean of its divisors is an integer number (15950972986).

Almost surely, 2^82273439563 is an apocalyptic number.

82273439563 is a deficient number, since it is larger than the sum of its proper divisors (13432398353).

82273439563 is a wasteful number, since it uses less digits than its factorization.

82273439563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679049801 (or 1679049794 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 52.

The spelling of 82273439563 in words is "eighty-two billion, two hundred seventy-three million, four hundred thirty-nine thousand, five hundred sixty-three".