170793089 has 2 divisors, whose sum is σ = 170793090. Its totient is φ = 170793088.

The previous prime is 170793031. The next prime is 170793113. The reversal of 170793089 is 980397071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149328400 + 21464689 = 12220^2 + 4633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170793089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (170793289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85396544 + 85396545.

It is an arithmetic number, because the mean of its divisors is an integer number (85396545).

Almost surely, 2^170793089 is an apocalyptic number.

It is an amenable number.

170793089 is a deficient number, since it is larger than the sum of its proper divisors (1).

170793089 is an equidigital number, since it uses as much as digits as its factorization.

170793089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 170793089 is about 13068.7829961324. The cubic root of 170793089 is about 554.8259487228.

The spelling of 170793089 in words is "one hundred seventy million, seven hundred ninety-three thousand, eighty-nine".