466787681 has 2 divisors, whose sum is σ = 466787682. Its totient is φ = 466787680.

The previous prime is 466787663. The next prime is 466787689. The reversal of 466787681 is 186787664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396647056 + 70140625 = 19916^2 + 8375^2 .

It is a cyclic number.

It is not a de Polignac number, because 466787681 - 2²⁶ = 399678817 is a prime.

It is a super-2 number, since 2×466787681² = 435781478266715522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (466787689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233393840 + 233393841.

It is an arithmetic number, because the mean of its divisors is an integer number (233393841).

Almost surely, 2^466787681 is an apocalyptic number.

It is an amenable number.

466787681 is a deficient number, since it is larger than the sum of its proper divisors (1).

466787681 is an equidigital number, since it uses as much as digits as its factorization.

466787681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 53.

The square root of 466787681 is about 21605.2697506881. The cubic root of 466787681 is about 775.7226314348.

The spelling of 466787681 in words is "four hundred sixty-six million, seven hundred eighty-seven thousand, six hundred eighty-one".