82043959564 has 12 divisors (see below), whose sum is σ = 164087919184. Its totient is φ = 35161696944.

The previous prime is 82043959559. The next prime is 82043959583. The reversal of 82043959564 is 46595934028.

82043959564 is an admirable number.

It is a super-2 number, since 2×82043959564² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465070679 + ... + 1465070734.

Almost surely, 2^82043959564 is an apocalyptic number.

It is an amenable number.

82043959564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82043959564 is a wasteful number, since it uses less digits than its factorization.

82043959564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930141424 (or 2930141422 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 82043959564 in words is "eighty-two billion, forty-three million, nine hundred fifty-nine thousand, five hundred sixty-four".