8780113 has 2 divisors, whose sum is σ = 8780114. Its totient is φ = 8780112.

The previous prime is 8780111. The next prime is 8780131. The reversal of 8780113 is 3110878.

It is a happy number.

8780113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (8780131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8340544 + 439569 = 2888^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 8780113 - 2¹ = 8780111 is a prime.

Together with 8780111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8780111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4390056 + 4390057.

It is an arithmetic number, because the mean of its divisors is an integer number (4390057).

Almost surely, 2^8780113 is an apocalyptic number.

It is an amenable number.

8780113 is a deficient number, since it is larger than the sum of its proper divisors (1).

8780113 is an equidigital number, since it uses as much as digits as its factorization.

8780113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 8780113 is about 2963.1255457709. The cubic root of 8780113 is about 206.3003834059.

It can be divided in two parts, 87 and 80113, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 8780113 in words is "eight million, seven hundred eighty thousand, one hundred thirteen".