84167791008 has 192 divisors, whose sum is σ = 259473715200. Its totient is φ = 23390456832.

The previous prime is 84167791007. The next prime is 84167791051. The reversal of 84167791008 is 80019776148.

It is not an unprimeable number, because it can be changed into a prime (84167791007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5140018 + ... + 5156366.

It is an arithmetic number, because the mean of its divisors is an integer number (1351425600).

Almost surely, 2^84167791008 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 84167791008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129736857600).

84167791008 is an abundant number, since it is smaller than the sum of its proper divisors (175305924192).

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

84167791008 is a wasteful number, since it uses less digits than its factorization.

84167791008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16579 (or 16571 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 51.

The spelling of 84167791008 in words is "eighty-four billion, one hundred sixty-seven million, seven hundred ninety-one thousand, eight".