170085377 has 32 divisors (see below), whose sum is σ = 223257600. Its totient is φ = 125697600.

The previous prime is 170085373. The next prime is 170085403. The reversal of 170085377 is 773580071.

It is not a de Polignac number, because 170085377 - 2² = 170085373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 170085377.

It is not an unprimeable number, because it can be changed into a prime (170085373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131102 + ... + 132392.

It is an arithmetic number, because the mean of its divisors is an integer number (6976800).

Almost surely, 2^170085377 is an apocalyptic number.

It is an amenable number.

170085377 is a deficient number, since it is larger than the sum of its proper divisors (53172223).

170085377 is a wasteful number, since it uses less digits than its factorization.

170085377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 170085377 is about 13041.6784579286. The cubic root of 170085377 is about 554.0585472929.

The spelling of 170085377 in words is "one hundred seventy million, eighty-five thousand, three hundred seventy-seven".