428159107 has 2 divisors, whose sum is σ = 428159108. Its totient is φ = 428159106.

The previous prime is 428159051. The next prime is 428159117. The reversal of 428159107 is 701951824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428159107 - 2⁷ = 428158979 is a prime.

It is not a weakly prime, because it can be changed into another prime (428159117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214079553 + 214079554.

It is an arithmetic number, because the mean of its divisors is an integer number (214079554).

Almost surely, 2^428159107 is an apocalyptic number.

428159107 is a deficient number, since it is larger than the sum of its proper divisors (1).

428159107 is an equidigital number, since it uses as much as digits as its factorization.

428159107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 428159107 is about 20692.0058718337. The cubic root of 428159107 is about 753.7055767084.

The spelling of 428159107 in words is "four hundred twenty-eight million, one hundred fifty-nine thousand, one hundred seven".