82003950644 has 48 divisors (see below), whose sum is σ = 185087306880. Its totient is φ = 30847877760.

The previous prime is 82003950643. The next prime is 82003950659. The reversal of 82003950644 is 44605930028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82003950643) 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 15 ways as a sum of consecutive naturals, for example, 4581527 + ... + 4599390.

It is an arithmetic number, because the mean of its divisors is an integer number (3855985560).

Almost surely, 2^82003950644 is an apocalyptic number.

It is an amenable number.

82003950644 is an abundant number, since it is smaller than the sum of its proper divisors (103083356236).

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

82003950644 is a wasteful number, since it uses less digits than its factorization.

82003950644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180968 (or 9180966 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 82003950644 in words is "eighty-two billion, three million, nine hundred fifty thousand, six hundred forty-four".