170112979 has 2 divisors, whose sum is σ = 170112980. Its totient is φ = 170112978.

The previous prime is 170112973. The next prime is 170112997. The reversal of 170112979 is 979211071.

Together with next prime (170112997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 170112979 - 2¹¹ = 170110931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (170112973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85056489 + 85056490.

It is an arithmetic number, because the mean of its divisors is an integer number (85056490).

Almost surely, 2^170112979 is an apocalyptic number.

170112979 is a deficient number, since it is larger than the sum of its proper divisors (1).

170112979 is an equidigital number, since it uses as much as digits as its factorization.

170112979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 37.

The square root of 170112979 is about 13042.7366376846. The cubic root of 170112979 is about 554.0885171372.

The spelling of 170112979 in words is "one hundred seventy million, one hundred twelve thousand, nine hundred seventy-nine".