172132222279 has 2 divisors, whose sum is σ = 172132222280. Its totient is φ = 172132222278.

The previous prime is 172132222267. The next prime is 172132222303. The reversal of 172132222279 is 972222231271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172132222279 - 2⁷ = 172132222151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172132222219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86066111139 + 86066111140.

It is an arithmetic number, because the mean of its divisors is an integer number (86066111140).

Almost surely, 2^172132222279 is an apocalyptic number.

172132222279 is a deficient number, since it is larger than the sum of its proper divisors (1).

172132222279 is an equidigital number, since it uses as much as digits as its factorization.

172132222279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The spelling of 172132222279 in words is "one hundred seventy-two billion, one hundred thirty-two million, two hundred twenty-two thousand, two hundred seventy-nine".