84767824680 has 256 divisors, whose sum is σ = 324428544000. Its totient is φ = 17204382720.

The previous prime is 84767824651. The next prime is 84767824703. The reversal of 84767824680 is 8642876748.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 290646 + ... + 503994.

It is an arithmetic number, because the mean of its divisors is an integer number (1267299000).

Almost surely, 2^84767824680 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 84767824680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162214272000).

84767824680 is an abundant number, since it is smaller than the sum of its proper divisors (239660719320).

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

84767824680 is a wasteful number, since it uses less digits than its factorization.

84767824680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213424 (or 213420 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 60.

The spelling of 84767824680 in words is "eighty-four billion, seven hundred sixty-seven million, eight hundred twenty-four thousand, six hundred eighty".