432679861 has 2 divisors, whose sum is σ = 432679862. Its totient is φ = 432679860.

The previous prime is 432679823. The next prime is 432679879. The reversal of 432679861 is 168976234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393228900 + 39450961 = 19830^2 + 6281^2 .

It is a cyclic number.

It is not a de Polignac number, because 432679861 - 2⁹ = 432679349 is a prime.

It is a super-2 number, since 2×432679861² = 374423724229958642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432679811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216339930 + 216339931.

It is an arithmetic number, because the mean of its divisors is an integer number (216339931).

Almost surely, 2^432679861 is an apocalyptic number.

It is an amenable number.

432679861 is a deficient number, since it is larger than the sum of its proper divisors (1).

432679861 is an equidigital number, since it uses as much as digits as its factorization.

432679861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 432679861 is about 20800.9581750457. The cubic root of 432679861 is about 756.3489828229.

The spelling of 432679861 in words is "four hundred thirty-two million, six hundred seventy-nine thousand, eight hundred sixty-one".