172711601807 has 2 divisors, whose sum is σ = 172711601808. Its totient is φ = 172711601806.

The previous prime is 172711601749. The next prime is 172711601809. The reversal of 172711601807 is 708106117271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172711601807 - 2¹⁰ = 172711600783 is a prime.

Together with 172711601809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172711601809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86355800903 + 86355800904.

It is an arithmetic number, because the mean of its divisors is an integer number (86355800904).

Almost surely, 2^172711601807 is an apocalyptic number.

172711601807 is a deficient number, since it is larger than the sum of its proper divisors (1).

172711601807 is an equidigital number, since it uses as much as digits as its factorization.

172711601807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 41.

The spelling of 172711601807 in words is "one hundred seventy-two billion, seven hundred eleven million, six hundred one thousand, eight hundred seven".