442925712877 has 4 divisors (see below), whose sum is σ = 442929856860. Its totient is φ = 442921568896.

The previous prime is 442925712871. The next prime is 442925712899. The reversal of 442925712877 is 778217529244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 335135630281 + 107790082596 = 578909^2 + 328314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442925712877 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442925712871) 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 3 ways as a sum of consecutive naturals, for example, 1907302 + ... + 2126887.

It is an arithmetic number, because the mean of its divisors is an integer number (110732464215).

Almost surely, 2^442925712877 is an apocalyptic number.

It is an amenable number.

442925712877 is a deficient number, since it is larger than the sum of its proper divisors (4143983).

442925712877 is a wasteful number, since it uses less digits than its factorization.

442925712877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143982.

The product of its digits is 15805440, while the sum is 58.

The spelling of 442925712877 in words is "four hundred forty-two billion, nine hundred twenty-five million, seven hundred twelve thousand, eight hundred seventy-seven".