442861887173 has 8 divisors (see below), whose sum is σ = 444583513920. Its totient is φ = 441142672320.

The previous prime is 442861887109. The next prime is 442861887187. The reversal of 442861887173 is 371788168244.

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 442861887173 - 2⁶ = 442861887109 is a prime.

It is a super-2 number, since 2×442861887173² (a number of 24 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 (442861881173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234593 + ... + 969926.

It is an arithmetic number, because the mean of its divisors is an integer number (55572939240).

Almost surely, 2^442861887173 is an apocalyptic number.

It is an amenable number.

442861887173 is a deficient number, since it is larger than the sum of its proper divisors (1721626747).

442861887173 is a wasteful number, since it uses less digits than its factorization.

442861887173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205947.

The product of its digits is 14450688, while the sum is 59.

The spelling of 442861887173 in words is "four hundred forty-two billion, eight hundred sixty-one million, eight hundred eighty-seven thousand, one hundred seventy-three".