10780218 has 24 divisors (see below), whose sum is σ = 23419188. Its totient is φ = 3583872.

The previous prime is 10780213. The next prime is 10780223. The reversal of 10780218 is 81208701.

It is an interprime number because it is at equal distance from previous prime (10780213) and next prime (10780223).

It can be written as a sum of positive squares in 2 ways, for example, as 10673289 + 106929 = 3267^2 + 327^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10780191 and 10780200.

It is not an unprimeable number, because it can be changed into a prime (10780213) 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 11 ways as a sum of consecutive naturals, for example, 10546 + ... + 11522.

Almost surely, 2^10780218 is an apocalyptic number.

10780218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10780218 is an abundant number, since it is smaller than the sum of its proper divisors (12638970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10780218 is a wasteful number, since it uses less digits than its factorization.

10780218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 10780218 is about 3283.3242301058. The cubic root of 10780218 is about 220.9068490810.

Adding to 10780218 its reverse (81208701), we get a palindrome (91988919).

The spelling of 10780218 in words is "ten million, seven hundred eighty thousand, two hundred eighteen".