84400448888 has 16 divisors (see below), whose sum is σ = 180858104880. Its totient is φ = 36171620928.

The previous prime is 84400448863. The next prime is 84400448893. The reversal of 84400448888 is 88884400448.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 1507150873 = 84400448888 / (8 + 4 + 4 + 0 + 0 + 4 + 4 + 8 + 8 + 8 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753575381 + ... + 753575492.

It is an arithmetic number, because the mean of its divisors is an integer number (11303631555).

Almost surely, 2^84400448888 is an apocalyptic number.

It is an amenable number.

84400448888 is an abundant number, since it is smaller than the sum of its proper divisors (96457655992).

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

84400448888 is a wasteful number, since it uses less digits than its factorization.

84400448888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507150886 (or 1507150882 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 56.

The spelling of 84400448888 in words is "eighty-four billion, four hundred million, four hundred forty-eight thousand, eight hundred eighty-eight".