979879841 has 2 divisors, whose sum is σ = 979879842. Its totient is φ = 979879840.

The previous prime is 979879801. The next prime is 979879871. The reversal of 979879841 is 148978979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 510940816 + 468939025 = 22604^2 + 21655^2 .

It is a cyclic number.

It is not a de Polignac number, because 979879841 - 2¹⁰ = 979878817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (979879801) 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, 489939920 + 489939921.

It is an arithmetic number, because the mean of its divisors is an integer number (489939921).

Almost surely, 2^979879841 is an apocalyptic number.

It is an amenable number.

979879841 is a deficient number, since it is larger than the sum of its proper divisors (1).

979879841 is an equidigital number, since it uses as much as digits as its factorization.

979879841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 62.

The square root of 979879841 is about 31303.0324569362. The cubic root of 979879841 is about 993.2477906181.

The spelling of 979879841 in words is "nine hundred seventy-nine million, eight hundred seventy-nine thousand, eight hundred forty-one".