170070077 has 2 divisors, whose sum is σ = 170070078. Its totient is φ = 170070076.

The previous prime is 170070067. The next prime is 170070097. The reversal of 170070077 is 770070071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147355321 + 22714756 = 12139^2 + 4766^2 .

It is an emirp because it is prime and its reverse (770070071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170070077 - 2¹⁸ = 169807933 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 (170070067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85035038 + 85035039.

It is an arithmetic number, because the mean of its divisors is an integer number (85035039).

Almost surely, 2^170070077 is an apocalyptic number.

It is an amenable number.

170070077 is a deficient number, since it is larger than the sum of its proper divisors (1).

170070077 is an equidigital number, since it uses as much as digits as its factorization.

170070077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2401, while the sum is 29.

The square root of 170070077 is about 13041.0918637973. The cubic root of 170070077 is about 554.0419333818.

The spelling of 170070077 in words is "one hundred seventy million, seventy thousand, seventy-seven".