427520975843 has 16 divisors (see below), whose sum is σ = 461052480000. Its totient is φ = 394081960320.

The previous prime is 427520975837. The next prime is 427520975887. The reversal of 427520975843 is 348579025724.

It is a cyclic number.

It is not a de Polignac number, because 427520975843 - 2³⁰ = 426447234019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427520975803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70324478 + ... + 70330556.

It is an arithmetic number, because the mean of its divisors is an integer number (28815780000).

Almost surely, 2^427520975843 is an apocalyptic number.

427520975843 is a deficient number, since it is larger than the sum of its proper divisors (33531504157).

427520975843 is a wasteful number, since it uses less digits than its factorization.

427520975843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12782.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 427520975843 in words is "four hundred twenty-seven billion, five hundred twenty million, nine hundred seventy-five thousand, eight hundred forty-three".