432872861 has 2 divisors, whose sum is σ = 432872862. Its totient is φ = 432872860.

The previous prime is 432872767. The next prime is 432872929. The reversal of 432872861 is 168278234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424607236 + 8265625 = 20606^2 + 2875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432872861 is a prime.

It is a super-3 number, since 3×432872861³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432872761) 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, 216436430 + 216436431.

It is an arithmetic number, because the mean of its divisors is an integer number (216436431).

Almost surely, 2^432872861 is an apocalyptic number.

It is an amenable number.

432872861 is a deficient number, since it is larger than the sum of its proper divisors (1).

432872861 is an equidigital number, since it uses as much as digits as its factorization.

432872861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The square root of 432872861 is about 20805.5968671894. The cubic root of 432872861 is about 756.4614244283.

The spelling of 432872861 in words is "four hundred thirty-two million, eight hundred seventy-two thousand, eight hundred sixty-one".