172848983 has 2 divisors, whose sum is σ = 172848984. Its totient is φ = 172848982.

The previous prime is 172848967. The next prime is 172848997. The reversal of 172848983 is 389848271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172848983 - 2⁴ = 172848967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172848943) 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, 86424491 + 86424492.

It is an arithmetic number, because the mean of its divisors is an integer number (86424492).

Almost surely, 2^172848983 is an apocalyptic number.

172848983 is a deficient number, since it is larger than the sum of its proper divisors (1).

172848983 is an equidigital number, since it uses as much as digits as its factorization.

172848983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 50.

The square root of 172848983 is about 13147.2043796390. The cubic root of 172848983 is about 557.0432844470.

The spelling of 172848983 in words is "one hundred seventy-two million, eight hundred forty-eight thousand, nine hundred eighty-three".