84176922720 has 96 divisors (see below), whose sum is σ = 289262534400. Its totient is φ = 20406525440.

The previous prime is 84176922691. The next prime is 84176922751. The reversal of 84176922720 is 2722967148.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 84176922720.

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, 7966020 + ... + 7976579.

It is an arithmetic number, because the mean of its divisors is an integer number (3013151400).

Almost surely, 2^84176922720 is an apocalyptic number.

84176922720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84176922720 is an abundant number, since it is smaller than the sum of its proper divisors (205085611680).

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

84176922720 is a wasteful number, since it uses less digits than its factorization.

84176922720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15942628 (or 15942620 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 84176922720 in words is "eighty-four billion, one hundred seventy-six million, nine hundred twenty-two thousand, seven hundred twenty".