84089021922 has 48 divisors (see below), whose sum is σ = 186297501312. Its totient is φ = 27399657120.

The previous prime is 84089021911. The next prime is 84089021923. The reversal of 84089021922 is 22912098048.

It is a happy number.

84089021922 is a `hidden beast` number, since 8 + 408 + 9 + 0 + 219 + 22 = 666.

It is not an unprimeable number, because it can be changed into a prime (84089021923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634033 + ... + 755099.

It is an arithmetic number, because the mean of its divisors is an integer number (3881197944).

Almost surely, 2^84089021922 is an apocalyptic number.

84089021922 is an abundant number, since it is smaller than the sum of its proper divisors (102208479390).

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

84089021922 is a wasteful number, since it uses less digits than its factorization.

84089021922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121943 (or 121940 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 84089021922 in words is "eighty-four billion, eighty-nine million, twenty-one thousand, nine hundred twenty-two".