429995887 has 2 divisors, whose sum is σ = 429995888. Its totient is φ = 429995886.

The previous prime is 429995869. The next prime is 429995899. The reversal of 429995887 is 788599924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 429995887 - 2¹⁵ = 429963119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429995857) 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 as a sum of consecutive naturals, namely, 214997943 + 214997944.

It is an arithmetic number, because the mean of its divisors is an integer number (214997944).

Almost surely, 2^429995887 is an apocalyptic number.

429995887 is a deficient number, since it is larger than the sum of its proper divisors (1).

429995887 is an equidigital number, since it uses as much as digits as its factorization.

429995887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 61.

The square root of 429995887 is about 20736.3421798542. The cubic root of 429995887 is about 754.7818248881.

The spelling of 429995887 in words is "four hundred twenty-nine million, nine hundred ninety-five thousand, eight hundred eighty-seven".