172707011 has 2 divisors, whose sum is σ = 172707012. Its totient is φ = 172707010.

The previous prime is 172706993. The next prime is 172707037. The reversal of 172707011 is 110707271.

It is an a-pointer prime, because the next prime (172707037) can be obtained adding 172707011 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (110707271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172707011 - 2¹⁴ = 172690627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (172707061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86353505 + 86353506.

It is an arithmetic number, because the mean of its divisors is an integer number (86353506).

Almost surely, 2^172707011 is an apocalyptic number.

172707011 is a deficient number, since it is larger than the sum of its proper divisors (1).

172707011 is an equidigital number, since it uses as much as digits as its factorization.

172707011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 686, while the sum is 26.

The square root of 172707011 is about 13141.8039477082. The cubic root of 172707011 is about 556.8907308323.

The spelling of 172707011 in words is "one hundred seventy-two million, seven hundred seven thousand, eleven".