84822821349 has 16 divisors (see below), whose sum is σ = 130811100672. Its totient is φ = 47886204528.

The previous prime is 84822821327. The next prime is 84822821383. The reversal of 84822821349 is 94312822848.

It is not a de Polignac number, because 84822821349 - 2⁸ = 84822821093 is a prime.

It is a super-2 number, since 2×84822821349² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84822821449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24330679 + ... + 24334164.

It is an arithmetic number, because the mean of its divisors is an integer number (8175693792).

Almost surely, 2^84822821349 is an apocalyptic number.

It is an amenable number.

84822821349 is a deficient number, since it is larger than the sum of its proper divisors (45988279323).

84822821349 is a wasteful number, since it uses less digits than its factorization.

84822821349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48664936.

The product of its digits is 1769472, while the sum is 51.

The spelling of 84822821349 in words is "eighty-four billion, eight hundred twenty-two million, eight hundred twenty-one thousand, three hundred forty-nine".