428113424087 has 2 divisors, whose sum is σ = 428113424088. Its totient is φ = 428113424086.

The previous prime is 428113424021. The next prime is 428113424107. The reversal of 428113424087 is 780424311824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428113424087 - 2¹² = 428113419991 is a prime.

It is a super-2 number, since 2×428113424087² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428113424017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214056712043 + 214056712044.

It is an arithmetic number, because the mean of its divisors is an integer number (214056712044).

Almost surely, 2^428113424087 is an apocalyptic number.

428113424087 is a deficient number, since it is larger than the sum of its proper divisors (1).

428113424087 is an equidigital number, since it uses as much as digits as its factorization.

428113424087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 428113424087 in words is "four hundred twenty-eight billion, one hundred thirteen million, four hundred twenty-four thousand, eighty-seven".