84913678320 has 40 divisors (see below), whose sum is σ = 263232403536. Its totient is φ = 22643647488.

The previous prime is 84913678309. The next prime is 84913678321. The reversal of 84913678320 is 2387631948.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84913678321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176903257 + ... + 176903736.

Almost surely, 2^84913678320 is an apocalyptic number.

84913678320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84913678320 is an abundant number, since it is smaller than the sum of its proper divisors (178318725216).

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

84913678320 is a wasteful number, since it uses less digits than its factorization.

84913678320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353807009 (or 353807003 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 84913678320 in words is "eighty-four billion, nine hundred thirteen million, six hundred seventy-eight thousand, three hundred twenty".