427352231817 has 24 divisors (see below), whose sum is σ = 705524976000. Its totient is φ = 244182366720.

The previous prime is 427352231749. The next prime is 427352231857. The reversal of 427352231817 is 718132253724.

427352231817 is a `hidden beast` number, since 4 + 273 + 52 + 2 + 318 + 17 = 666.

It is not a de Polignac number, because 427352231817 - 2¹⁰ = 427352230793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427352231857) 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 23 ways as a sum of consecutive naturals, for example, 578692 + ... + 1090682.

It is an arithmetic number, because the mean of its divisors is an integer number (29396874000).

Almost surely, 2^427352231817 is an apocalyptic number.

It is an amenable number.

427352231817 is a deficient number, since it is larger than the sum of its proper divisors (278172744183).

427352231817 is a wasteful number, since it uses less digits than its factorization.

427352231817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525253 (or 525250 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 427352231817 in words is "four hundred twenty-seven billion, three hundred fifty-two million, two hundred thirty-one thousand, eight hundred seventeen".