84435744435 has 16 divisors (see below), whose sum is σ = 154396790016. Its totient is φ = 38599197408.

The previous prime is 84435744433. The next prime is 84435744479. The reversal of 84435744435 is 53444753448.

It is not a de Polignac number, because 84435744435 - 2¹ = 84435744433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84435744433) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 402074869 + ... + 402075078.

It is an arithmetic number, because the mean of its divisors is an integer number (9649799376).

Almost surely, 2^84435744435 is an apocalyptic number.

84435744435 is a deficient number, since it is larger than the sum of its proper divisors (69961045581).

84435744435 is a wasteful number, since it uses less digits than its factorization.

84435744435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804149962.

The product of its digits is 12902400, while the sum is 51.

The spelling of 84435744435 in words is "eighty-four billion, four hundred thirty-five million, seven hundred forty-four thousand, four hundred thirty-five".