172676983 has 2 divisors, whose sum is σ = 172676984. Its totient is φ = 172676982.

The previous prime is 172676951. The next prime is 172677083. The reversal of 172676983 is 389676271.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (389676271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172676983 - 2⁵ = 172676951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172676923) 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, 86338491 + 86338492.

It is an arithmetic number, because the mean of its divisors is an integer number (86338492).

Almost surely, 2^172676983 is an apocalyptic number.

172676983 is a deficient number, since it is larger than the sum of its proper divisors (1).

172676983 is an equidigital number, since it uses as much as digits as its factorization.

172676983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 172676983 is about 13140.6614369293. The cubic root of 172676983 is about 556.8584540417.

The spelling of 172676983 in words is "one hundred seventy-two million, six hundred seventy-six thousand, nine hundred eighty-three".