427272277 has 4 divisors (see below), whose sum is σ = 434514240. Its totient is φ = 420030316.

The previous prime is 427272269. The next prime is 427272299. The reversal of 427272277 is 772272724.

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 427272277 - 2³ = 427272269 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427272077) 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, 3620893 + ... + 3621010.

It is an arithmetic number, because the mean of its divisors is an integer number (108628560).

Almost surely, 2^427272277 is an apocalyptic number.

It is an amenable number.

427272277 is a deficient number, since it is larger than the sum of its proper divisors (7241963).

427272277 is an equidigital number, since it uses as much as digits as its factorization.

427272277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7241962.

The product of its digits is 153664, while the sum is 40.

The square root of 427272277 is about 20670.5654736391. The cubic root of 427272277 is about 753.1848429276.

The spelling of 427272277 in words is "four hundred twenty-seven million, two hundred seventy-two thousand, two hundred seventy-seven".