282172879 has 2 divisors, whose sum is σ = 282172880. Its totient is φ = 282172878.

The previous prime is 282172867. The next prime is 282172883. The reversal of 282172879 is 978271282.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 282172879 - 2⁹ = 282172367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282172889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141086439 + 141086440.

It is an arithmetic number, because the mean of its divisors is an integer number (141086440).

Almost surely, 2^282172879 is an apocalyptic number.

282172879 is a deficient number, since it is larger than the sum of its proper divisors (1).

282172879 is an equidigital number, since it uses as much as digits as its factorization.

282172879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 46.

The square root of 282172879 is about 16798.0022324085. The cubic root of 282172879 is about 655.9011964210.

The spelling of 282172879 in words is "two hundred eighty-two million, one hundred seventy-two thousand, eight hundred seventy-nine".