670005111 has 8 divisors (see below), whose sum is σ = 932181120. Its totient is φ = 427249592.

The previous prime is 670005103. The next prime is 670005179. The reversal of 670005111 is 111500076.

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 670005111 - 2³ = 670005103 is a prime.

It is a super-2 number, since 2×670005111² = 897813697532244642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670005101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4855041 + ... + 4855178.

It is an arithmetic number, because the mean of its divisors is an integer number (116522640).

Almost surely, 2^670005111 is an apocalyptic number.

670005111 is a deficient number, since it is larger than the sum of its proper divisors (262176009).

670005111 is a wasteful number, since it uses less digits than its factorization.

670005111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9710245.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 670005111 is about 25884.4569384795. The cubic root of 670005111 is about 875.0362373020.

Adding to 670005111 its reverse (111500076), we get a palindrome (781505187).

The spelling of 670005111 in words is "six hundred seventy million, five thousand, one hundred eleven".