428914692587 has 2 divisors, whose sum is σ = 428914692588. Its totient is φ = 428914692586.

The previous prime is 428914692457. The next prime is 428914692611. The reversal of 428914692587 is 785296419824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428914692587 - 2⁸ = 428914692331 is a prime.

It is not a weakly prime, because it can be changed into another prime (428914692887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214457346293 + 214457346294.

It is an arithmetic number, because the mean of its divisors is an integer number (214457346294).

Almost surely, 2^428914692587 is an apocalyptic number.

428914692587 is a deficient number, since it is larger than the sum of its proper divisors (1).

428914692587 is an equidigital number, since it uses as much as digits as its factorization.

428914692587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 65.

The spelling of 428914692587 in words is "four hundred twenty-eight billion, nine hundred fourteen million, six hundred ninety-two thousand, five hundred eighty-seven".