84017143072 has 24 divisors (see below), whose sum is σ = 172600436736. Its totient is φ = 40182111552.

The previous prime is 84017143061. The next prime is 84017143073. The reversal of 84017143072 is 27034171048.

It is not an unprimeable number, because it can be changed into a prime (84017143073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57076128 + ... + 57077599.

It is an arithmetic number, because the mean of its divisors is an integer number (7191684864).

Almost surely, 2^84017143072 is an apocalyptic number.

It is an amenable number.

84017143072 is an abundant number, since it is smaller than the sum of its proper divisors (88583293664).

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

84017143072 is a wasteful number, since it uses less digits than its factorization.

84017143072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114153760 (or 114153752 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 84017143072 in words is "eighty-four billion, seventeen million, one hundred forty-three thousand, seventy-two".