84436863448 has 64 divisors (see below), whose sum is σ = 189846558720. Its totient is φ = 34422537600.

The previous prime is 84436863439. The next prime is 84436863473.

84436863448 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 84436863392 and 84436863401.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 52033 + ... + 414223.

It is an arithmetic number, because the mean of its divisors is an integer number (2966352480).

Almost surely, 2^84436863448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84436863448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94923279360).

84436863448 is an abundant number, since it is smaller than the sum of its proper divisors (105409695272).

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

84436863448 is a wasteful number, since it uses less digits than its factorization.

84436863448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362408 (or 362404 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 58.

The spelling of 84436863448 in words is "eighty-four billion, four hundred thirty-six million, eight hundred sixty-three thousand, four hundred forty-eight".