461881967 has 2 divisors, whose sum is σ = 461881968. Its totient is φ = 461881966.

The previous prime is 461881951. The next prime is 461881991. The reversal of 461881967 is 769188164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461881967 - 2⁴ = 461881951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461881907) 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, 230940983 + 230940984.

It is an arithmetic number, because the mean of its divisors is an integer number (230940984).

Almost surely, 2^461881967 is an apocalyptic number.

461881967 is a deficient number, since it is larger than the sum of its proper divisors (1).

461881967 is an equidigital number, since it uses as much as digits as its factorization.

461881967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 50.

The square root of 461881967 is about 21491.4393887427. The cubic root of 461881967 is about 772.9955650434.

The spelling of 461881967 in words is "four hundred sixty-one million, eight hundred eighty-one thousand, nine hundred sixty-seven".