82663105827538 has 16 divisors (see below), whose sum is σ = 133086934285560. Its totient is φ = 38367404476416.

The previous prime is 82663105827527. The next prime is 82663105827647. The reversal of 82663105827538 is 83572850136628.

82663105827538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 60432324035329 + 22230781792209 = 7773823^2 + 4714953^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82663105827538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16652516823 + ... + 16652521786.

Almost surely, 2^{82663105827538} is an apocalyptic number.

82663105827538 is a deficient number, since it is larger than the sum of its proper divisors (50423828458022).

82663105827538 is a wasteful number, since it uses less digits than its factorization.

82663105827538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33305038701.

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 82663105827538 in words is "eighty-two trillion, six hundred sixty-three billion, one hundred five million, eight hundred twenty-seven thousand, five hundred thirty-eight".