8790280913 has 2 divisors, whose sum is σ = 8790280914. Its totient is φ = 8790280912.

The previous prime is 8790280907. The next prime is 8790280943. The reversal of 8790280913 is 3190820978.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8786625169 + 3655744 = 93737^2 + 1912^2 .

It is a cyclic number.

It is not a de Polignac number, because 8790280913 - 2²⁶ = 8723172049 is a prime.

It is a super-2 number, since 2×8790280913² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8790280903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4395140456 + 4395140457.

It is an arithmetic number, because the mean of its divisors is an integer number (4395140457).

Almost surely, 2^8790280913 is an apocalyptic number.

It is an amenable number.

8790280913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8790280913 is an equidigital number, since it uses as much as digits as its factorization.

8790280913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 8790280913 is about 93756.4979774735. The cubic root of 8790280913 is about 2063.7998887860.

The spelling of 8790280913 in words is "eight billion, seven hundred ninety million, two hundred eighty thousand, nine hundred thirteen".