172032863 has 2 divisors, whose sum is σ = 172032864. Its totient is φ = 172032862.

The previous prime is 172032851. The next prime is 172032961. The reversal of 172032863 is 368230271.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172032863 - 2⁶ = 172032799 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172002863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86016431 + 86016432.

It is an arithmetic number, because the mean of its divisors is an integer number (86016432).

Almost surely, 2^172032863 is an apocalyptic number.

172032863 is a deficient number, since it is larger than the sum of its proper divisors (1).

172032863 is an equidigital number, since it uses as much as digits as its factorization.

172032863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 172032863 is about 13116.1298788934. The cubic root of 172032863 is about 556.1651931812.

The spelling of 172032863 in words is "one hundred seventy-two million, thirty-two thousand, eight hundred sixty-three".