979250771 has 2 divisors, whose sum is σ = 979250772. Its totient is φ = 979250770.

The previous prime is 979250729. The next prime is 979250777. The reversal of 979250771 is 177052979.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979250771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (979250777) 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, 489625385 + 489625386.

It is an arithmetic number, because the mean of its divisors is an integer number (489625386).

Almost surely, 2^979250771 is an apocalyptic number.

979250771 is a deficient number, since it is larger than the sum of its proper divisors (1).

979250771 is an equidigital number, since it uses as much as digits as its factorization.

979250771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 277830, while the sum is 47.

The square root of 979250771 is about 31292.9827756959. The cubic root of 979250771 is about 993.0351944342.

The spelling of 979250771 in words is "nine hundred seventy-nine million, two hundred fifty thousand, seven hundred seventy-one".