980565847 has 2 divisors, whose sum is σ = 980565848. Its totient is φ = 980565846.

The previous prime is 980565829. The next prime is 980565907. The reversal of 980565847 is 748565089.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 980565847 - 2²⁷ = 846348119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 980565794 and 980565803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980565347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490282923 + 490282924.

It is an arithmetic number, because the mean of its divisors is an integer number (490282924).

Almost surely, 2^980565847 is an apocalyptic number.

980565847 is a deficient number, since it is larger than the sum of its proper divisors (1).

980565847 is an equidigital number, since it uses as much as digits as its factorization.

980565847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The square root of 980565847 is about 31313.9880404908. The cubic root of 980565847 is about 993.4795248128.

The spelling of 980565847 in words is "nine hundred eighty million, five hundred sixty-five thousand, eight hundred forty-seven".