82821695701 has 32 divisors (see below), whose sum is σ = 89171712000. Its totient is φ = 76651315200.

The previous prime is 82821695687. The next prime is 82821695707. The reversal of 82821695701 is 10759612828.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82821695701 - 2⁵ = 82821695669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82821695707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172905180 + ... + 172905658.

It is an arithmetic number, because the mean of its divisors is an integer number (2786616000).

Almost surely, 2^82821695701 is an apocalyptic number.

It is an amenable number.

82821695701 is a deficient number, since it is larger than the sum of its proper divisors (6350016299).

82821695701 is a wasteful number, since it uses less digits than its factorization.

82821695701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 82821695701 in words is "eighty-two billion, eight hundred twenty-one million, six hundred ninety-five thousand, seven hundred one".