979251827 has 2 divisors, whose sum is σ = 979251828. Its totient is φ = 979251826.

The previous prime is 979251769. The next prime is 979251829. The reversal of 979251827 is 728152979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 979251827 - 2⁸ = 979251571 is a prime.

Together with 979251829, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (979251829) 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, 489625913 + 489625914.

It is an arithmetic number, because the mean of its divisors is an integer number (489625914).

Almost surely, 2^979251827 is an apocalyptic number.

979251827 is a deficient number, since it is larger than the sum of its proper divisors (1).

979251827 is an equidigital number, since it uses as much as digits as its factorization.

979251827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 50.

The square root of 979251827 is about 31292.9996484837. Note that the first 3 decimals coincide. The cubic root of 979251827 is about 993.0355513890.

The spelling of 979251827 in words is "nine hundred seventy-nine million, two hundred fifty-one thousand, eight hundred twenty-seven".