427841085957 has 16 divisors (see below), whose sum is σ = 583814589120. Its totient is φ = 278624711552.

The previous prime is 427841085937. The next prime is 427841085983. The reversal of 427841085957 is 759580148724.

It is a cyclic number.

It is not a de Polignac number, because 427841085957 - 2¹² = 427841081861 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 427841085957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427841085937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9630858 + ... + 9675179.

It is an arithmetic number, because the mean of its divisors is an integer number (36488411820).

Almost surely, 2^427841085957 is an apocalyptic number.

It is an amenable number.

427841085957 is a deficient number, since it is larger than the sum of its proper divisors (155973503163).

427841085957 is a wasteful number, since it uses less digits than its factorization.

427841085957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19306212.

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 427841085957 in words is "four hundred twenty-seven billion, eight hundred forty-one million, eighty-five thousand, nine hundred fifty-seven".