938979011 has 2 divisors, whose sum is σ = 938979012. Its totient is φ = 938979010.

The previous prime is 938978981. The next prime is 938979059. The reversal of 938979011 is 110979839.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 938979011 - 2⁶ = 938978947 is a prime.

It is not a weakly prime, because it can be changed into another prime (938979061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469489505 + 469489506.

It is an arithmetic number, because the mean of its divisors is an integer number (469489506).

Almost surely, 2^938979011 is an apocalyptic number.

938979011 is a deficient number, since it is larger than the sum of its proper divisors (1).

938979011 is an equidigital number, since it uses as much as digits as its factorization.

938979011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 47.

The square root of 938979011 is about 30642.7644151111. The cubic root of 938979011 is about 979.2313183020.

The spelling of 938979011 in words is "nine hundred thirty-eight million, nine hundred seventy-nine thousand, eleven".