427312911 has 4 divisors (see below), whose sum is σ = 569750552. Its totient is φ = 284875272.

The previous prime is 427312877. The next prime is 427312933. The reversal of 427312911 is 119213724.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 427312911 - 2¹³ = 427304719 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 (427312981) 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, 71218816 + ... + 71218821.

It is an arithmetic number, because the mean of its divisors is an integer number (142437638).

Almost surely, 2^427312911 is an apocalyptic number.

427312911 is a deficient number, since it is larger than the sum of its proper divisors (142437641).

427312911 is a wasteful number, since it uses less digits than its factorization.

427312911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142437640.

The product of its digits is 3024, while the sum is 30.

The square root of 427312911 is about 20671.5483454917. The cubic root of 427312911 is about 753.2087183691.

The spelling of 427312911 in words is "four hundred twenty-seven million, three hundred twelve thousand, nine hundred eleven".