969977 has 2 divisors, whose sum is σ = 969978. Its totient is φ = 969976.

The previous prime is 969929. The next prime is 969989. The reversal of 969977 is 779969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 674041 + 295936 = 821^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 969977 - 2⁸ = 969721 is a prime.

It is not a weakly prime, because it can be changed into another prime (969907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484988 + 484989.

It is an arithmetic number, because the mean of its divisors is an integer number (484989).

2⁹⁶⁹⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

969977 is a deficient number, since it is larger than the sum of its proper divisors (1).

969977 is an equidigital number, since it uses as much as digits as its factorization.

969977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 214326, while the sum is 47.

The square root of 969977 is about 984.8741036295. The cubic root of 969977 is about 98.9890475249.

The spelling of 969977 in words is "nine hundred sixty-nine thousand, nine hundred seventy-seven".