979081937 has 2 divisors, whose sum is σ = 979081938. Its totient is φ = 979081936.

The previous prime is 979081919. The next prime is 979081949. The reversal of 979081937 is 739180979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 553237441 + 425844496 = 23521^2 + 20636^2 .

It is an emirp because it is prime and its reverse (739180979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 979081937 - 2²⁰ = 978033361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (979081907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489540968 + 489540969.

It is an arithmetic number, because the mean of its divisors is an integer number (489540969).

Almost surely, 2^979081937 is an apocalyptic number.

It is an amenable number.

979081937 is a deficient number, since it is larger than the sum of its proper divisors (1).

979081937 is an equidigital number, since it uses as much as digits as its factorization.

979081937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 979081937 is about 31290.2850258671. The cubic root of 979081937 is about 992.9781209568.

The spelling of 979081937 in words is "nine hundred seventy-nine million, eighty-one thousand, nine hundred thirty-seven".