172113883 has 2 divisors, whose sum is σ = 172113884. Its totient is φ = 172113882.

The previous prime is 172113871. The next prime is 172113911. The reversal of 172113883 is 388311271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172113883 - 2⁹ = 172113371 is a prime.

It is not a weakly prime, because it can be changed into another prime (172143883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86056941 + 86056942.

It is an arithmetic number, because the mean of its divisors is an integer number (86056942).

Almost surely, 2^172113883 is an apocalyptic number.

172113883 is a deficient number, since it is larger than the sum of its proper divisors (1).

172113883 is an equidigital number, since it uses as much as digits as its factorization.

172113883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 172113883 is about 13119.2180788338. The cubic root of 172113883 is about 556.2524893547.

The spelling of 172113883 in words is "one hundred seventy-two million, one hundred thirteen thousand, eight hundred eighty-three".