428597889871 has 2 divisors, whose sum is σ = 428597889872. Its totient is φ = 428597889870.

The previous prime is 428597889857. The next prime is 428597889899. The reversal of 428597889871 is 178988795824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428597889871 - 2³⁷ = 291158936399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428597889851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214298944935 + 214298944936.

It is an arithmetic number, because the mean of its divisors is an integer number (214298944936).

Almost surely, 2^428597889871 is an apocalyptic number.

428597889871 is a deficient number, since it is larger than the sum of its proper divisors (1).

428597889871 is an equidigital number, since it uses as much as digits as its factorization.

428597889871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 650280960, while the sum is 76.

The spelling of 428597889871 in words is "four hundred twenty-eight billion, five hundred ninety-seven million, eight hundred eighty-nine thousand, eight hundred seventy-one".