427435664 has 20 divisors (see below), whose sum is σ = 828530304. Its totient is φ = 213621408.

The previous prime is 427435661. The next prime is 427435667. The reversal of 427435664 is 466534724.

It is an interprime number because it is at equal distance from previous prime (427435661) and next prime (427435667).

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (427435661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42269 + ... + 51395.

Almost surely, 2^427435664 is an apocalyptic number.

It is an amenable number.

427435664 is a deficient number, since it is larger than the sum of its proper divisors (401094640).

427435664 is a wasteful number, since it uses less digits than its factorization.

427435664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12062 (or 12056 counting only the distinct ones).

The product of its digits is 483840, while the sum is 41.

The square root of 427435664 is about 20674.5172615953. The cubic root of 427435664 is about 753.2808355268.

The spelling of 427435664 in words is "four hundred twenty-seven million, four hundred thirty-five thousand, six hundred sixty-four".