84481720167 has 32 divisors (see below), whose sum is σ = 128488151232. Its totient is φ = 48913311744.

The previous prime is 84481720159. The next prime is 84481720229. The reversal of 84481720167 is 76102718448.

It is not a de Polignac number, because 84481720167 - 2³ = 84481720159 is a prime.

It is a super-2 number, since 2×84481720167² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84481722167) 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, 1992553 + ... + 2034509.

It is an arithmetic number, because the mean of its divisors is an integer number (4015254726).

Almost surely, 2^84481720167 is an apocalyptic number.

84481720167 is a deficient number, since it is larger than the sum of its proper divisors (44006431065).

84481720167 is a wasteful number, since it uses less digits than its factorization.

84481720167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45027.

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 84481720167 in words is "eighty-four billion, four hundred eighty-one million, seven hundred twenty thousand, one hundred sixty-seven".