427277 has 4 divisors (see below), whose sum is σ = 436416. Its totient is φ = 418140.

The previous prime is 427249. The next prime is 427279. The reversal of 427277 is 772724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427277 - 2⁶ = 427213 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 (427279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4499 + ... + 4592.

It is an arithmetic number, because the mean of its divisors is an integer number (109104).

2⁴²⁷²⁷⁷ is an apocalyptic number.

427277 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

427277 is a deficient number, since it is larger than the sum of its proper divisors (9139).

427277 is an equidigital number, since it uses as much as digits as its factorization.

427277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138.

The product of its digits is 5488, while the sum is 29.

The square root of 427277 is about 653.6642869241. The cubic root of 427277 is about 75.3187618113.

The spelling of 427277 in words is "four hundred twenty-seven thousand, two hundred seventy-seven", and thus it is an iban number.