84967931880 has 512 divisors, whose sum is σ = 324262310400. Its totient is φ = 19605307392.

The previous prime is 84967931869. The next prime is 84967931887. The reversal of 84967931880 is 8813976948.

It is not an unprimeable number, because it can be changed into a prime (84967931887) 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 127 ways as a sum of consecutive naturals, for example, 75660999 + ... + 75662121.

It is an arithmetic number, because the mean of its divisors is an integer number (633324825).

Almost surely, 2^84967931880 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 84967931880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162131155200).

84967931880 is an abundant number, since it is smaller than the sum of its proper divisors (239294378520).

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

84967931880 is a wasteful number, since it uses less digits than its factorization.

84967931880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 84967931880 in words is "eighty-four billion, nine hundred sixty-seven million, nine hundred thirty-one thousand, eight hundred eighty".