82636788734436 has 12 divisors (see below), whose sum is σ = 192819173713712. Its totient is φ = 27545596244808.

The previous prime is 82636788734417. The next prime is 82636788734441. The reversal of 82636788734436 is 63443788763628.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3443199530590 + ... + 3443199530613.

Almost surely, 2^{82636788734436} is an apocalyptic number.

It is an amenable number.

82636788734436 is an abundant number, since it is smaller than the sum of its proper divisors (110182384979276).

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

82636788734436 is a wasteful number, since it uses less digits than its factorization.

82636788734436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886399061210 (or 6886399061208 counting only the distinct ones).

The product of its digits is 4682022912, while the sum is 75.

The spelling of 82636788734436 in words is "eighty-two trillion, six hundred thirty-six billion, seven hundred eighty-eight million, seven hundred thirty-four thousand, four hundred thirty-six".