84208823394 has 16 divisors (see below), whose sum is σ = 168591106080. Its totient is φ = 28040697920.

The previous prime is 84208823353. The next prime is 84208823407. The reversal of 84208823394 is 49332880248.

It is a happy number.

It is a super-2 number, since 2×84208823394² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7221159 + ... + 7232810.

It is an arithmetic number, because the mean of its divisors is an integer number (10536944130).

Almost surely, 2^84208823394 is an apocalyptic number.

84208823394 is an abundant number, since it is smaller than the sum of its proper divisors (84382282686).

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

84208823394 is a wasteful number, since it uses less digits than its factorization.

84208823394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14454945.

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 84208823394 in words is "eighty-four billion, two hundred eight million, eight hundred twenty-three thousand, three hundred ninety-four".