82001936844 has 48 divisors (see below), whose sum is σ = 212864584800. Its totient is φ = 27299654208.

The previous prime is 82001936837. The next prime is 82001936851. The reversal of 82001936844 is 44863910028.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82001936837) and next prime (82001936851).

It is a self number, because there is not a number n which added to its sum of digits gives 82001936844.

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 15 ways as a sum of consecutive naturals, for example, 390259 + ... + 562410.

It is an arithmetic number, because the mean of its divisors is an integer number (4434678850).

Almost surely, 2^82001936844 is an apocalyptic number.

It is an amenable number.

82001936844 is an abundant number, since it is smaller than the sum of its proper divisors (130862647956).

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

82001936844 is a wasteful number, since it uses less digits than its factorization.

82001936844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953479 (or 953471 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 82001936844 in words is "eighty-two billion, one million, nine hundred thirty-six thousand, eight hundred forty-four".