677240213 has 8 divisors (see below), whose sum is σ = 731033856. Its totient is φ = 623689200.

The previous prime is 677240191. The next prime is 677240231. The reversal of 677240213 is 312042776.

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 677240213 - 2⁶ = 677240149 is a prime.

It is a super-2 number, since 2×677240213² = 917308612208570738, which contains 22 as substring.

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 677240213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677240293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54833 + ... + 66038.

It is an arithmetic number, because the mean of its divisors is an integer number (91379232).

Almost surely, 2^677240213 is an apocalyptic number.

It is an amenable number.

677240213 is a deficient number, since it is larger than the sum of its proper divisors (53793643).

677240213 is a wasteful number, since it uses less digits than its factorization.

677240213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121315.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 677240213 is about 26023.8393208996. The cubic root of 677240213 is about 878.1746828405.

Adding to 677240213 its reverse (312042776), we get a palindrome (989282989).

The spelling of 677240213 in words is "six hundred seventy-seven million, two hundred forty thousand, two hundred thirteen".