442282170077287 has 8 divisors (see below), whose sum is σ = 454252086828176. Its totient is φ = 430313113567872.

The previous prime is 442282170077281. The next prime is 442282170077357. The reversal of 442282170077287 is 782770071282244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442282170077287 is a prime.

It is a super-2 number, since 2×442282170077287² (a number of 30 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 (442282170077281) 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, 214018113 + ... + 216074794.

It is an arithmetic number, because the mean of its divisors is an integer number (56781510853522).

Almost surely, 2^{442282170077287} is an apocalyptic number.

442282170077287 is a deficient number, since it is larger than the sum of its proper divisors (11969916750889).

442282170077287 is a wasteful number, since it uses less digits than its factorization.

442282170077287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430120737.

The product of its (nonzero) digits is 39337984, while the sum is 61.

The spelling of 442282170077287 in words is "four hundred forty-two trillion, two hundred eighty-two billion, one hundred seventy million, seventy-seven thousand, two hundred eighty-seven".