427899873835 has 16 divisors (see below), whose sum is σ = 602694495936. Its totient is φ = 285486864768.

The previous prime is 427899873833. The next prime is 427899873853. The reversal of 427899873835 is 538378998724.

It is not a de Polignac number, because 427899873835 - 2¹ = 427899873833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427899873833) 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, 165211012 + ... + 165213601.

It is an arithmetic number, because the mean of its divisors is an integer number (37668405996).

Almost surely, 2^427899873835 is an apocalyptic number.

427899873835 is a deficient number, since it is larger than the sum of its proper divisors (174794622101).

427899873835 is a wasteful number, since it uses less digits than its factorization.

427899873835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330424662.

The product of its digits is 731566080, while the sum is 73.

The spelling of 427899873835 in words is "four hundred twenty-seven billion, eight hundred ninety-nine million, eight hundred seventy-three thousand, eight hundred thirty-five".