172848079 has 2 divisors, whose sum is σ = 172848080. Its totient is φ = 172848078.

The previous prime is 172848047. The next prime is 172848103. The reversal of 172848079 is 970848271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172848079 - 2⁵ = 172848047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172848019) 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, 86424039 + 86424040.

It is an arithmetic number, because the mean of its divisors is an integer number (86424040).

Almost surely, 2^172848079 is an apocalyptic number.

172848079 is a deficient number, since it is larger than the sum of its proper divisors (1).

172848079 is an equidigital number, since it uses as much as digits as its factorization.

172848079 is an odious number, because the sum of its binary digits is odd.

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

The square root of 172848079 is about 13147.1699996615. The cubic root of 172848079 is about 557.0423133334.

The spelling of 172848079 in words is "one hundred seventy-two million, eight hundred forty-eight thousand, seventy-nine".