427277975 has 12 divisors (see below), whose sum is σ = 535073640. Its totient is φ = 338436000.

The previous prime is 427277959. The next prime is 427278029. The reversal of 427277975 is 579772724.

It is a happy number.

It is not a de Polignac number, because 427277975 - 2⁴ = 427277959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82085 + ... + 87134.

It is an arithmetic number, because the mean of its divisors is an integer number (44589470).

Almost surely, 2^427277975 is an apocalyptic number.

427277975 is a deficient number, since it is larger than the sum of its proper divisors (107795665).

427277975 is a wasteful number, since it uses less digits than its factorization.

427277975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169330 (or 169325 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 50.

The square root of 427277975 is about 20670.7033020166. The cubic root of 427277975 is about 753.1881910099.

The spelling of 427277975 in words is "four hundred twenty-seven million, two hundred seventy-seven thousand, nine hundred seventy-five".