82439645036 has 12 divisors (see below), whose sum is σ = 164879290128. Its totient is φ = 35331276432.

The previous prime is 82439645017. The next prime is 82439645077. The reversal of 82439645036 is 63054693428.

82439645036 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472136491 + ... + 1472136546.

It is an arithmetic number, because the mean of its divisors is an integer number (13739940844).

Almost surely, 2^82439645036 is an apocalyptic number.

It is an amenable number.

82439645036 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.

82439645036 is a wasteful number, since it uses less digits than its factorization.

82439645036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944273048 (or 2944273046 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 82439645036 in words is "eighty-two billion, four hundred thirty-nine million, six hundred forty-five thousand, thirty-six".