427743811 has 8 divisors (see below), whose sum is σ = 486918144. Its totient is φ = 371950920.

The previous prime is 427743809. The next prime is 427743821. The reversal of 427743811 is 118347724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427743811 - 2¹ = 427743809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427743821) 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 7 ways as a sum of consecutive naturals, for example, 845091 + ... + 845596.

It is an arithmetic number, because the mean of its divisors is an integer number (60864768).

Almost surely, 2^427743811 is an apocalyptic number.

427743811 is a deficient number, since it is larger than the sum of its proper divisors (59174333).

427743811 is a wasteful number, since it uses less digits than its factorization.

427743811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690721.

The product of its digits is 37632, while the sum is 37.

The square root of 427743811 is about 20681.9682573976. The cubic root of 427743811 is about 753.4618104986.

The spelling of 427743811 in words is "four hundred twenty-seven million, seven hundred forty-three thousand, eight hundred eleven".