172083405677 has 2 divisors, whose sum is σ = 172083405678. Its totient is φ = 172083405676.

The previous prime is 172083405673. The next prime is 172083405701. The reversal of 172083405677 is 776504380271.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120257061961 + 51826343716 = 346781^2 + 227654^2 .

It is a cyclic number.

It is not a de Polignac number, because 172083405677 - 2² = 172083405673 is a prime.

It is a super-2 number, since 2×172083405677² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172083405673) 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, 86041702838 + 86041702839.

It is an arithmetic number, because the mean of its divisors is an integer number (86041702839).

Almost surely, 2^172083405677 is an apocalyptic number.

It is an amenable number.

172083405677 is a deficient number, since it is larger than the sum of its proper divisors (1).

172083405677 is an equidigital number, since it uses as much as digits as its factorization.

172083405677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 172083405677 in words is "one hundred seventy-two billion, eighty-three million, four hundred five thousand, six hundred seventy-seven".