983487977 has 2 divisors, whose sum is σ = 983487978. Its totient is φ = 983487976.

The previous prime is 983487943. The next prime is 983488001. The reversal of 983487977 is 779784389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 872375296 + 111112681 = 29536^2 + 10541^2 .

It is a cyclic number.

It is not a de Polignac number, because 983487977 - 2⁶ = 983487913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (983487907) 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, 491743988 + 491743989.

It is an arithmetic number, because the mean of its divisors is an integer number (491743989).

Almost surely, 2^983487977 is an apocalyptic number.

It is an amenable number.

983487977 is a deficient number, since it is larger than the sum of its proper divisors (1).

983487977 is an equidigital number, since it uses as much as digits as its factorization.

983487977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 62.

The square root of 983487977 is about 31360.6118722196. The cubic root of 983487977 is about 994.4654172380.

The spelling of 983487977 in words is "nine hundred eighty-three million, four hundred eighty-seven thousand, nine hundred seventy-seven".