461819087 has 2 divisors, whose sum is σ = 461819088. Its totient is φ = 461819086.

The previous prime is 461819081. The next prime is 461819123. The reversal of 461819087 is 780918164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461819087 - 2⁸ = 461818831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461819081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230909543 + 230909544.

It is an arithmetic number, because the mean of its divisors is an integer number (230909544).

Almost surely, 2^461819087 is an apocalyptic number.

461819087 is a deficient number, since it is larger than the sum of its proper divisors (1).

461819087 is an equidigital number, since it uses as much as digits as its factorization.

461819087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 461819087 is about 21489.9764308852. The cubic root of 461819087 is about 772.9604852535.

The spelling of 461819087 in words is "four hundred sixty-one million, eight hundred nineteen thousand, eighty-seven".