82665176883842 has 128 divisors (see below), whose sum is σ = 145700601984000. Its totient is φ = 34450251264000.

The previous prime is 82665176883841. The next prime is 82665176883847. The reversal of 82665176883842 is 24838867156628.

It is a self number, because there is not a number n which added to its sum of digits gives 82665176883842.

It is not an unprimeable number, because it can be changed into a prime (82665176883841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8774560292 + ... + 8774569712.

It is an arithmetic number, because the mean of its divisors is an integer number (1138285953000).

Almost surely, 2^{82665176883842} is an apocalyptic number.

82665176883842 is a deficient number, since it is larger than the sum of its proper divisors (63035425100158).

82665176883842 is a wasteful number, since it uses less digits than its factorization.

82665176883842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10132.

The product of its digits is 1486356480, while the sum is 74.

The spelling of 82665176883842 in words is "eighty-two trillion, six hundred sixty-five billion, one hundred seventy-six million, eight hundred eighty-three thousand, eight hundred forty-two".