36543947856 has 40 divisors (see below), whose sum is σ = 101667138720. Its totient is φ = 11244291456.

The previous prime is 36543947827. The next prime is 36543947917. The reversal of 36543947856 is 65874934563.

It is a self number, because there is not a number n which added to its sum of digits gives 36543947856.

It is a congruent number.

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, 29281386 + ... + 29282633.

It is an arithmetic number, because the mean of its divisors is an integer number (2541678468).

Almost surely, 2^36543947856 is an apocalyptic number.

It is an amenable number.

36543947856 is an abundant number, since it is smaller than the sum of its proper divisors (65123190864).

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

36543947856 is a wasteful number, since it uses less digits than its factorization.

36543947856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58564043 (or 58564037 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 60.

The spelling of 36543947856 in words is "thirty-six billion, five hundred forty-three million, nine hundred forty-seven thousand, eight hundred fifty-six".