82941884857 has 16 divisors (see below), whose sum is σ = 89692359120. Its totient is φ = 76244942592.

The previous prime is 82941884827. The next prime is 82941884867. The reversal of 82941884857 is 75848814928.

It can be written as a sum of positive squares in 8 ways, for example, as 14434580736 + 68507304121 = 120144^2 + 261739^2 .

It is not a de Polignac number, because 82941884857 - 2¹⁹ = 82941360569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82941884827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3289663 + ... + 3314779.

It is an arithmetic number, because the mean of its divisors is an integer number (5605772445).

Almost surely, 2^82941884857 is an apocalyptic number.

It is an amenable number.

82941884857 is a deficient number, since it is larger than the sum of its proper divisors (6750474263).

82941884857 is a wasteful number, since it uses less digits than its factorization.

82941884857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26172.

The product of its digits is 41287680, while the sum is 64.

The spelling of 82941884857 in words is "eighty-two billion, nine hundred forty-one million, eight hundred eighty-four thousand, eight hundred fifty-seven".