427271477 has 4 divisors (see below), whose sum is σ = 427352640. Its totient is φ = 427190316.

The previous prime is 427271473. The next prime is 427271497. The reversal of 427271477 is 774172724.

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 427271477 - 2² = 427271473 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 (427271473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32093 + ... + 43410.

It is an arithmetic number, because the mean of its divisors is an integer number (106838160).

Almost surely, 2^427271477 is an apocalyptic number.

It is an amenable number.

427271477 is a deficient number, since it is larger than the sum of its proper divisors (81163).

427271477 is an equidigital number, since it uses as much as digits as its factorization.

427271477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81162.

The product of its digits is 153664, while the sum is 41.

The square root of 427271477 is about 20670.5461224420. The cubic root of 427271477 is about 753.1843728540.

The spelling of 427271477 in words is "four hundred twenty-seven million, two hundred seventy-one thousand, four hundred seventy-seven".