1428872867 has 2 divisors, whose sum is σ = 1428872868. Its totient is φ = 1428872866.

The previous prime is 1428872849. The next prime is 1428872927. The reversal of 1428872867 is 7682788241.

It is a weak prime.

It is an emirp because it is prime and its reverse (7682788241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1428872867 - 2¹⁴ = 1428856483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1428872167) 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, 714436433 + 714436434.

It is an arithmetic number, because the mean of its divisors is an integer number (714436434).

Almost surely, 2^1428872867 is an apocalyptic number.

1428872867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428872867 is an equidigital number, since it uses as much as digits as its factorization.

1428872867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2408448, while the sum is 53.

The square root of 1428872867 is about 37800.4347461772. The cubic root of 1428872867 is about 1126.3270902306.

The spelling of 1428872867 in words is "one billion, four hundred twenty-eight million, eight hundred seventy-two thousand, eight hundred sixty-seven".