82202947790 has 16 divisors (see below), whose sum is σ = 149490723312. Its totient is φ = 32542197504.

The previous prime is 82202947781. The next prime is 82202947793. The reversal of 82202947790 is 9774920228.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82202947793) 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 7 ways as a sum of consecutive naturals, for example, 42371684 + ... + 42373623.

It is an arithmetic number, because the mean of its divisors is an integer number (9343170207).

Almost surely, 2^82202947790 is an apocalyptic number.

82202947790 is a deficient number, since it is larger than the sum of its proper divisors (67287775522).

82202947790 is a wasteful number, since it uses less digits than its factorization.

82202947790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84745411.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 82202947790 in words is "eighty-two billion, two hundred two million, nine hundred forty-seven thousand, seven hundred ninety".