172127830703 has 2 divisors, whose sum is σ = 172127830704. Its totient is φ = 172127830702.

The previous prime is 172127830657. The next prime is 172127830717. The reversal of 172127830703 is 307038721271.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172127830703 - 2⁶ = 172127830639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172127830723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86063915351 + 86063915352.

It is an arithmetic number, because the mean of its divisors is an integer number (86063915352).

Almost surely, 2^172127830703 is an apocalyptic number.

172127830703 is a deficient number, since it is larger than the sum of its proper divisors (1).

172127830703 is an equidigital number, since it uses as much as digits as its factorization.

172127830703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 172127830703 in words is "one hundred seventy-two billion, one hundred twenty-seven million, eight hundred thirty thousand, seven hundred three".