84447464823 has 12 divisors (see below), whose sum is σ = 123697695888. Its totient is φ = 55505375520.

The previous prime is 84447464821. The next prime is 84447464831. The reversal of 84447464823 is 32846474448.

84447464823 is a `hidden beast` number, since 84 + 4 + 47 + 46 + 482 + 3 = 666.

It is not a de Polignac number, because 84447464823 - 2¹ = 84447464821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84447464823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84447464821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66077190 + ... + 66078467.

It is an arithmetic number, because the mean of its divisors is an integer number (10308141324).

Almost surely, 2^84447464823 is an apocalyptic number.

84447464823 is a deficient number, since it is larger than the sum of its proper divisors (39250231065).

84447464823 is a wasteful number, since it uses less digits than its factorization.

84447464823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132155734 (or 132155731 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 54.

The spelling of 84447464823 in words is "eighty-four billion, four hundred forty-seven million, four hundred sixty-four thousand, eight hundred twenty-three".