84353634434 has 8 divisors (see below), whose sum is σ = 126610387200. Its totient is φ = 42150172036.

The previous prime is 84353634433. The next prime is 84353634481. The reversal of 84353634434 is 43443635348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (84353634433) 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 3 ways as a sum of consecutive naturals, for example, 13318634 + ... + 13324965.

It is an arithmetic number, because the mean of its divisors is an integer number (15826298400).

Almost surely, 2^84353634434 is an apocalyptic number.

84353634434 is a deficient number, since it is larger than the sum of its proper divisors (42256752766).

84353634434 is a wasteful number, since it uses less digits than its factorization.

84353634434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26645184.

The product of its digits is 4976640, while the sum is 47.

The spelling of 84353634434 in words is "eighty-four billion, three hundred fifty-three million, six hundred thirty-four thousand, four hundred thirty-four".