428051711 has 2 divisors, whose sum is σ = 428051712. Its totient is φ = 428051710.

The previous prime is 428051707. The next prime is 428051731. The reversal of 428051711 is 117150824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428051711 - 2² = 428051707 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428051731) 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, 214025855 + 214025856.

It is an arithmetic number, because the mean of its divisors is an integer number (214025856).

Almost surely, 2^428051711 is an apocalyptic number.

428051711 is a deficient number, since it is larger than the sum of its proper divisors (1).

428051711 is an equidigital number, since it uses as much as digits as its factorization.

428051711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 428051711 is about 20689.4106005947. The cubic root of 428051711 is about 753.6425536160.

The spelling of 428051711 in words is "four hundred twenty-eight million, fifty-one thousand, seven hundred eleven".