84441557384167 has 8 divisors (see below), whose sum is σ = 86408325280640. Its totient is φ = 82474926339960.

The previous prime is 84441557384153. The next prime is 84441557384243. The reversal of 84441557384167 is 76148375514448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84441557384167 - 2²⁷ = 84441423166439 is a prime.

It is a super-2 number, since 2×84441557384167² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84441557384267) 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 7 ways as a sum of consecutive naturals, for example, 32964117 + ... + 35433262.

It is an arithmetic number, because the mean of its divisors is an integer number (10801040660080).

Almost surely, 2^{84441557384167} is an apocalyptic number.

84441557384167 is a deficient number, since it is larger than the sum of its proper divisors (1966767896473).

84441557384167 is a wasteful number, since it uses less digits than its factorization.

84441557384167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68426133.

The product of its digits is 361267200, while the sum is 67.

The spelling of 84441557384167 in words is "eighty-four trillion, four hundred forty-one billion, five hundred fifty-seven million, three hundred eighty-four thousand, one hundred sixty-seven".