172297883 has 2 divisors, whose sum is σ = 172297884. Its totient is φ = 172297882.

The previous prime is 172297837. The next prime is 172297891. The reversal of 172297883 is 388792271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172297883 - 2¹² = 172293787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (172297823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86148941 + 86148942.

It is an arithmetic number, because the mean of its divisors is an integer number (86148942).

Almost surely, 2^172297883 is an apocalyptic number.

172297883 is a deficient number, since it is larger than the sum of its proper divisors (1).

172297883 is an equidigital number, since it uses as much as digits as its factorization.

172297883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 172297883 is about 13126.2288186668. The cubic root of 172297883 is about 556.4506411152.

The spelling of 172297883 in words is "one hundred seventy-two million, two hundred ninety-seven thousand, eight hundred eighty-three".