427742511 has 12 divisors (see below), whose sum is σ = 663437592. Its totient is φ = 244424208.

The previous prime is 427742509. The next prime is 427742521. The reversal of 427742511 is 115247724.

It is not a de Polignac number, because 427742511 - 2¹ = 427742509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427742501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1454760 + ... + 1455053.

It is an arithmetic number, because the mean of its divisors is an integer number (55286466).

Almost surely, 2^427742511 is an apocalyptic number.

427742511 is a deficient number, since it is larger than the sum of its proper divisors (235695081).

427742511 is a wasteful number, since it uses less digits than its factorization.

427742511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909830 (or 2909823 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 427742511 is about 20681.9368290303. The cubic root of 427742511 is about 753.4610471902.

The spelling of 427742511 in words is "four hundred twenty-seven million, seven hundred forty-two thousand, five hundred eleven".