82636820563208 has 16 divisors (see below), whose sum is σ = 163098987954000. Its totient is φ = 39143757108816.

The previous prime is 82636820563183. The next prime is 82636820563211. The reversal of 82636820563208 is 80236502863628.

It is a super-2 number, since 2×82636820563208² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271831646438 + ... + 271831646741.

It is an arithmetic number, because the mean of its divisors is an integer number (10193686747125).

Almost surely, 2^{82636820563208} is an apocalyptic number.

It is an amenable number.

82636820563208 is a deficient number, since it is larger than the sum of its proper divisors (80462167390792).

82636820563208 is a wasteful number, since it uses less digits than its factorization.

82636820563208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543663293204 (or 543663293200 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 59.

The spelling of 82636820563208 in words is "eighty-two trillion, six hundred thirty-six billion, eight hundred twenty million, five hundred sixty-three thousand, two hundred eight".