427760282 has 4 divisors (see below), whose sum is σ = 641640426. Its totient is φ = 213880140.

The previous prime is 427760189. The next prime is 427760327. The reversal of 427760282 is 282067724.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 421850521 + 5909761 = 20539^2 + 2431^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 106940069 + ... + 106940072.

Almost surely, 2^427760282 is an apocalyptic number.

427760282 is a deficient number, since it is larger than the sum of its proper divisors (213880144).

427760282 is a wasteful number, since it uses less digits than its factorization.

427760282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213880143.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 427760282 is about 20682.3664506748. The cubic root of 427760282 is about 753.4714814822.

The spelling of 427760282 in words is "four hundred twenty-seven million, seven hundred sixty thousand, two hundred eighty-two".