217080967 has 8 divisors (see below), whose sum is σ = 218332800. Its totient is φ = 215833464.

The previous prime is 217080943. The next prime is 217080971. The reversal of 217080967 is 769080712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 217080967 - 2⁷ = 217080839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217080767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158118 + ... + 159484.

It is an arithmetic number, because the mean of its divisors is an integer number (27291600).

Almost surely, 2^217080967 is an apocalyptic number.

217080967 is a deficient number, since it is larger than the sum of its proper divisors (1251833).

217080967 is a wasteful number, since it uses less digits than its factorization.

217080967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 217080967 is about 14733.6678054041. The cubic root of 217080967 is about 600.9992303444. Note that the first 3 decimals are identical.

The spelling of 217080967 in words is "two hundred seventeen million, eighty thousand, nine hundred sixty-seven".