427881075471 has 12 divisors (see below), whose sum is σ = 619092693648. Its totient is φ = 284773011264.

The previous prime is 427881075449. The next prime is 427881075481. The reversal of 427881075471 is 174570188724.

It is a happy number.

427881075471 is a `hidden beast` number, since 4 + 2 + 7 + 88 + 10 + 7 + 547 + 1 = 666.

It is not a de Polignac number, because 427881075471 - 2⁶ = 427881075407 is a prime.

It is a super-3 number, since 3×427881075471³ (a number of 36 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427881075481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40080955 + ... + 40091628.

It is an arithmetic number, because the mean of its divisors is an integer number (51591057804).

Almost surely, 2^427881075471 is an apocalyptic number.

427881075471 is a deficient number, since it is larger than the sum of its proper divisors (191211618177).

427881075471 is a wasteful number, since it uses less digits than its factorization.

427881075471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80173182 (or 80173179 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 54.

The spelling of 427881075471 in words is "four hundred twenty-seven billion, eight hundred eighty-one million, seventy-five thousand, four hundred seventy-one".