427727271 has 8 divisors (see below), whose sum is σ = 571536640. Its totient is φ = 284534712.

The previous prime is 427727249. The next prime is 427727299. The reversal of 427727271 is 172727724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427727271 - 2⁹ = 427726759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427727371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152581 + ... + 155358.

It is an arithmetic number, because the mean of its divisors is an integer number (71442080).

Almost surely, 2^427727271 is an apocalyptic number.

427727271 is a deficient number, since it is larger than the sum of its proper divisors (143809369).

427727271 is a wasteful number, since it uses less digits than its factorization.

427727271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308405.

The product of its digits is 76832, while the sum is 39.

The square root of 427727271 is about 20681.5683883017. The cubic root of 427727271 is about 753.4520987516.

The spelling of 427727271 in words is "four hundred twenty-seven million, seven hundred twenty-seven thousand, two hundred seventy-one".