428262545779 has 2 divisors, whose sum is σ = 428262545780. Its totient is φ = 428262545778.

The previous prime is 428262545749. The next prime is 428262545839. The reversal of 428262545779 is 977545262824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428262545779 - 2⁵ = 428262545747 is a prime.

It is a super-2 number, since 2×428262545779² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (428262545749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214131272889 + 214131272890.

It is an arithmetic number, because the mean of its divisors is an integer number (214131272890).

Almost surely, 2^428262545779 is an apocalyptic number.

428262545779 is a deficient number, since it is larger than the sum of its proper divisors (1).

428262545779 is an equidigital number, since it uses as much as digits as its factorization.

428262545779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67737600, while the sum is 61.

The spelling of 428262545779 in words is "four hundred twenty-eight billion, two hundred sixty-two million, five hundred forty-five thousand, seven hundred seventy-nine".