82826291128 has 48 divisors (see below), whose sum is σ = 180738025920. Its totient is φ = 35480527488.

The previous prime is 82826291117. The next prime is 82826291129. The reversal of 82826291128 is 82119262828.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82826291129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 817276 + ... + 913012.

It is an arithmetic number, because the mean of its divisors is an integer number (3765375540).

Almost surely, 2^82826291128 is an apocalyptic number.

It is an amenable number.

82826291128 is an abundant number, since it is smaller than the sum of its proper divisors (97911734792).

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

82826291128 is a wasteful number, since it uses less digits than its factorization.

82826291128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97964 (or 97953 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The spelling of 82826291128 in words is "eighty-two billion, eight hundred twenty-six million, two hundred ninety-one thousand, one hundred twenty-eight".