431354879 has 2 divisors, whose sum is σ = 431354880. Its totient is φ = 431354878.

The previous prime is 431354873. The next prime is 431354881. The reversal of 431354879 is 978453134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431354879 - 2¹² = 431350783 is a prime.

Together with 431354881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431354873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215677439 + 215677440.

It is an arithmetic number, because the mean of its divisors is an integer number (215677440).

Almost surely, 2^431354879 is an apocalyptic number.

431354879 is a deficient number, since it is larger than the sum of its proper divisors (1).

431354879 is an equidigital number, since it uses as much as digits as its factorization.

431354879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 431354879 is about 20769.0846933609. The cubic root of 431354879 is about 755.5761454653.

The spelling of 431354879 in words is "four hundred thirty-one million, three hundred fifty-four thousand, eight hundred seventy-nine".