442748995877 has 16 divisors (see below), whose sum is σ = 481068491904. Its totient is φ = 405829056000.

The previous prime is 442748995873. The next prime is 442748995903. The reversal of 442748995877 is 778599847244.

It is a cyclic number.

It is not a de Polignac number, because 442748995877 - 2² = 442748995873 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442748995873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158249 + ... + 954222.

It is an arithmetic number, because the mean of its divisors is an integer number (30066780744).

Almost surely, 2^442748995877 is an apocalyptic number.

It is an amenable number.

442748995877 is a deficient number, since it is larger than the sum of its proper divisors (38319496027).

442748995877 is a wasteful number, since it uses less digits than its factorization.

442748995877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113100.

The product of its digits is 1137991680, while the sum is 74.

The spelling of 442748995877 in words is "four hundred forty-two billion, seven hundred forty-eight million, nine hundred ninety-five thousand, eight hundred seventy-seven".