980684477 has 2 divisors, whose sum is σ = 980684478. Its totient is φ = 980684476.

The previous prime is 980684459. The next prime is 980684533. The reversal of 980684477 is 774486089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 866066041 + 114618436 = 29429^2 + 10706^2 .

It is a cyclic number.

It is not a de Polignac number, because 980684477 - 2¹⁴ = 980668093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980684437) 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, 490342238 + 490342239.

It is an arithmetic number, because the mean of its divisors is an integer number (490342239).

Almost surely, 2^980684477 is an apocalyptic number.

It is an amenable number.

980684477 is a deficient number, since it is larger than the sum of its proper divisors (1).

980684477 is an equidigital number, since it uses as much as digits as its factorization.

980684477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The square root of 980684477 is about 31315.8821846040. The cubic root of 980684477 is about 993.5195873012.

The spelling of 980684477 in words is "nine hundred eighty million, six hundred eighty-four thousand, four hundred seventy-seven".