82881068541868 has 48 divisors (see below), whose sum is σ = 149884610287104. Its totient is φ = 40077867110400.

The previous prime is 82881068541811. The next prime is 82881068541877. The reversal of 82881068541868 is 86814586018828.

It is a self number, because there is not a number n which added to its sum of digits gives 82881068541868.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1768393 + ... + 12995743.

It is an arithmetic number, because the mean of its divisors is an integer number (3122596047648).

Almost surely, 2^{82881068541868} is an apocalyptic number.

It is an amenable number.

82881068541868 is a deficient number, since it is larger than the sum of its proper divisors (67003541745236).

82881068541868 is a wasteful number, since it uses less digits than its factorization.

82881068541868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11227822 (or 11227820 counting only the distinct ones).

The product of its (nonzero) digits is 377487360, while the sum is 73.

The spelling of 82881068541868 in words is "eighty-two trillion, eight hundred eighty-one billion, sixty-eight million, five hundred forty-one thousand, eight hundred sixty-eight".