428274305087 has 2 divisors, whose sum is σ = 428274305088. Its totient is φ = 428274305086.

The previous prime is 428274305047. The next prime is 428274305161. The reversal of 428274305087 is 780503472824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428274305087 - 2⁶ = 428274305023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428274305047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214137152543 + 214137152544.

It is an arithmetic number, because the mean of its divisors is an integer number (214137152544).

Almost surely, 2^428274305087 is an apocalyptic number.

428274305087 is a deficient number, since it is larger than the sum of its proper divisors (1).

428274305087 is an equidigital number, since it uses as much as digits as its factorization.

428274305087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 428274305087 in words is "four hundred twenty-eight billion, two hundred seventy-four million, three hundred five thousand, eighty-seven".