466688891 has 2 divisors, whose sum is σ = 466688892. Its totient is φ = 466688890.

The previous prime is 466688869. The next prime is 466688917. The reversal of 466688891 is 198886664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 466688891 - 2²² = 462494587 is a prime.

It is not a weakly prime, because it can be changed into another prime (466682891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233344445 + 233344446.

It is an arithmetic number, because the mean of its divisors is an integer number (233344446).

Almost surely, 2^466688891 is an apocalyptic number.

466688891 is a deficient number, since it is larger than the sum of its proper divisors (1).

466688891 is an equidigital number, since it uses as much as digits as its factorization.

466688891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 56.

The square root of 466688891 is about 21602.9833819313. The cubic root of 466688891 is about 775.6679034512.

The spelling of 466688891 in words is "four hundred sixty-six million, six hundred eighty-eight thousand, eight hundred ninety-one".