82638848783546 has 24 divisors (see below), whose sum is σ = 136851883287840. Its totient is φ = 37397636789480.

The previous prime is 82638848783503. The next prime is 82638848783593. The reversal of 82638848783546 is 64538784883628.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752109926 + ... + 752219793.

It is an arithmetic number, because the mean of its divisors is an integer number (5702161803660).

Almost surely, 2^{82638848783546} is an apocalyptic number.

82638848783546 is a deficient number, since it is larger than the sum of its proper divisors (54213034504294).

82638848783546 is a wasteful number, since it uses less digits than its factorization.

82638848783546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504329970 (or 1504329959 counting only the distinct ones).

The product of its digits is 11890851840, while the sum is 80.

The spelling of 82638848783546 in words is "eighty-two trillion, six hundred thirty-eight billion, eight hundred forty-eight million, seven hundred eighty-three thousand, five hundred forty-six".