84581407248 has 40 divisors (see below), whose sum is σ = 235309814208. Its totient is φ = 26025048192.

The previous prime is 84581407241. The next prime is 84581407271. The reversal of 84581407248 is 84270418548.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84581407248.

It is not an unprimeable number, because it can be changed into a prime (84581407241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 67772940 + ... + 67774187.

Almost surely, 2^84581407248 is an apocalyptic number.

It is an amenable number.

84581407248 is an abundant number, since it is smaller than the sum of its proper divisors (150728406960).

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

84581407248 is a wasteful number, since it uses less digits than its factorization.

84581407248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135547151 (or 135547145 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 51.

The spelling of 84581407248 in words is "eighty-four billion, five hundred eighty-one million, four hundred seven thousand, two hundred forty-eight".