428857883 has 2 divisors, whose sum is σ = 428857884. Its totient is φ = 428857882.

The previous prime is 428857879. The next prime is 428857901. The reversal of 428857883 is 388758824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428857883 - 2² = 428857879 is a prime.

It is a super-2 number, since 2×428857883² = 367838167622483378, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (428847883) 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, 214428941 + 214428942.

It is an arithmetic number, because the mean of its divisors is an integer number (214428942).

Almost surely, 2^428857883 is an apocalyptic number.

428857883 is a deficient number, since it is larger than the sum of its proper divisors (1).

428857883 is an equidigital number, since it uses as much as digits as its factorization.

428857883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3440640, while the sum is 53.

The square root of 428857883 is about 20708.8841563229. The cubic root of 428857883 is about 754.1153816161.

The spelling of 428857883 in words is "four hundred twenty-eight million, eight hundred fifty-seven thousand, eight hundred eighty-three".