442187166054087 has 12 divisors (see below), whose sum is σ = 659318498489664. Its totient is φ = 285282042615360.

The previous prime is 442187166054083. The next prime is 442187166054163. The reversal of 442187166054087 is 780450661781244.

442187166054087 is a `hidden beast` number, since 4 + 4 + 2 + 1 + 8 + 7 + 1 + 6 + 6 + 0 + 540 + 87 = 666.

It is not a de Polignac number, because 442187166054087 - 2² = 442187166054083 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442187166054083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 792450118098 + ... + 792450118655.

It is an arithmetic number, because the mean of its divisors is an integer number (54943208207472).

Almost surely, 2^{442187166054087} is an apocalyptic number.

442187166054087 is a deficient number, since it is larger than the sum of its proper divisors (217131332435577).

442187166054087 is a wasteful number, since it uses less digits than its factorization.

442187166054087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584900236790 (or 1584900236787 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 63.

The spelling of 442187166054087 in words is "four hundred forty-two trillion, one hundred eighty-seven billion, one hundred sixty-six million, fifty-four thousand, eighty-seven".