429881768 has 8 divisors (see below), whose sum is σ = 806028330. Its totient is φ = 214940880.

The previous prime is 429881741. The next prime is 429881779. The reversal of 429881768 is 867188924.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 391960804 + 37920964 = 19798^2 + 6158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 26867603 + ... + 26867618.

Almost surely, 2^429881768 is an apocalyptic number.

It is an amenable number.

429881768 is a deficient number, since it is larger than the sum of its proper divisors (376146562).

429881768 is a wasteful number, since it uses less digits than its factorization.

429881768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53735227 (or 53735223 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 53.

The square root of 429881768 is about 20733.5903306687. The cubic root of 429881768 is about 754.7150470648.

The spelling of 429881768 in words is "four hundred twenty-nine million, eight hundred eighty-one thousand, seven hundred sixty-eight".