7880011 has 2 divisors, whose sum is σ = 7880012. Its totient is φ = 7880010.

The previous prime is 7880009. The next prime is 7880017. The reversal of 7880011 is 1100887.

It is a weak prime.

It is an emirp because it is prime and its reverse (1100887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7880011 - 2¹ = 7880009 is a prime.

Together with 7880009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7880017) 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 as a sum of consecutive naturals, namely, 3940005 + 3940006.

It is an arithmetic number, because the mean of its divisors is an integer number (3940006).

Almost surely, 2^7880011 is an apocalyptic number.

7880011 is a deficient number, since it is larger than the sum of its proper divisors (1).

7880011 is an equidigital number, since it uses as much as digits as its factorization.

7880011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 7880011 is about 2807.1357288168. The cubic root of 7880011 is about 198.9950505069.

Adding to 7880011 its reverse (1100887), we get a palindrome (8980898).

It can be divided in two parts, 78 and 80011, that added together give a square (80089 = 283²).

The spelling of 7880011 in words is "seven million, eight hundred eighty thousand, eleven".