84457475448 has 64 divisors (see below), whose sum is σ = 216128943360. Its totient is φ = 27488246016.

The previous prime is 84457475441. The next prime is 84457475449.

It is a happy number.

84457475448 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 84457475391 and 84457475400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84457475441) 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, 3348661 + ... + 3373787.

It is an arithmetic number, because the mean of its divisors is an integer number (3377014740).

Almost surely, 2^84457475448 is an apocalyptic number.

It is an amenable number.

84457475448 is an abundant number, since it is smaller than the sum of its proper divisors (131671467912).

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

84457475448 is a wasteful number, since it uses less digits than its factorization.

84457475448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28436 (or 28432 counting only the distinct ones).

The product of its digits is 80281600, while the sum is 60.

The spelling of 84457475448 in words is "eighty-four billion, four hundred fifty-seven million, four hundred seventy-five thousand, four hundred forty-eight".