467678639 has 2 divisors, whose sum is σ = 467678640. Its totient is φ = 467678638.

The previous prime is 467678599. The next prime is 467678647. The reversal of 467678639 is 936876764.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 467678639 - 2⁸ = 467678383 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (467678669) 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, 233839319 + 233839320.

It is an arithmetic number, because the mean of its divisors is an integer number (233839320).

Almost surely, 2^467678639 is an apocalyptic number.

467678639 is a deficient number, since it is larger than the sum of its proper divisors (1).

467678639 is an equidigital number, since it uses as much as digits as its factorization.

467678639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 56.

The square root of 467678639 is about 21625.8789185550. The cubic root of 467678639 is about 776.2158585513.

The spelling of 467678639 in words is "four hundred sixty-seven million, six hundred seventy-eight thousand, six hundred thirty-nine".