170180899079 has 2 divisors, whose sum is σ = 170180899080. Its totient is φ = 170180899078.

The previous prime is 170180898997. The next prime is 170180899081. The reversal of 170180899079 is 970998081071.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170180899079 is a prime.

It is a super-2 number, since 2×170180899079² (a number of 23 digits) contains 22 as substring.

Together with 170180899081, 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 (170180899279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85090449539 + 85090449540.

It is an arithmetic number, because the mean of its divisors is an integer number (85090449540).

Almost surely, 2^170180899079 is an apocalyptic number.

170180899079 is a deficient number, since it is larger than the sum of its proper divisors (1).

170180899079 is an equidigital number, since it uses as much as digits as its factorization.

170180899079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 59.

The spelling of 170180899079 in words is "one hundred seventy billion, one hundred eighty million, eight hundred ninety-nine thousand, seventy-nine".