432978761 has 2 divisors, whose sum is σ = 432978762. Its totient is φ = 432978760.

The previous prime is 432978751. The next prime is 432978769. The reversal of 432978761 is 167879234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370331536 + 62647225 = 19244^2 + 7915^2 .

It is a cyclic number.

It is not a de Polignac number, because 432978761 - 2¹⁴ = 432962377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (432978769) 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, 216489380 + 216489381.

It is an arithmetic number, because the mean of its divisors is an integer number (216489381).

Almost surely, 2^432978761 is an apocalyptic number.

It is an amenable number.

432978761 is a deficient number, since it is larger than the sum of its proper divisors (1).

432978761 is an equidigital number, since it uses as much as digits as its factorization.

432978761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 432978761 is about 20808.1416998251. The cubic root of 432978761 is about 756.5231074614.

The spelling of 432978761 in words is "four hundred thirty-two million, nine hundred seventy-eight thousand, seven hundred sixty-one".