461878567 has 2 divisors, whose sum is σ = 461878568. Its totient is φ = 461878566.

The previous prime is 461878537. The next prime is 461878577. The reversal of 461878567 is 765878164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461878567 - 2¹⁵ = 461845799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461878507) 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, 230939283 + 230939284.

It is an arithmetic number, because the mean of its divisors is an integer number (230939284).

Almost surely, 2^461878567 is an apocalyptic number.

461878567 is a deficient number, since it is larger than the sum of its proper divisors (1).

461878567 is an equidigital number, since it uses as much as digits as its factorization.

461878567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 52.

The square root of 461878567 is about 21491.3602873341. The cubic root of 461878567 is about 772.9936683168.

The spelling of 461878567 in words is "four hundred sixty-one million, eight hundred seventy-eight thousand, five hundred sixty-seven".