468247889 has 2 divisors, whose sum is σ = 468247890. Its totient is φ = 468247888.

The previous prime is 468247877. The next prime is 468247907. The reversal of 468247889 is 988742864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329785600 + 138462289 = 18160^2 + 11767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-468247889 is a prime.

It is not a weakly prime, because it can be changed into another prime (468247589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234123944 + 234123945.

It is an arithmetic number, because the mean of its divisors is an integer number (234123945).

Almost surely, 2^468247889 is an apocalyptic number.

It is an amenable number.

468247889 is a deficient number, since it is larger than the sum of its proper divisors (1).

468247889 is an equidigital number, since it uses as much as digits as its factorization.

468247889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 56.

The square root of 468247889 is about 21639.0362308491. The cubic root of 468247889 is about 776.5306628398.

The spelling of 468247889 in words is "four hundred sixty-eight million, two hundred forty-seven thousand, eight hundred eighty-nine".