8312977 has 2 divisors, whose sum is σ = 8312978. Its totient is φ = 8312976.

The previous prime is 8312971. The next prime is 8312981. The reversal of 8312977 is 7792138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8288641 + 24336 = 2879^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 8312977 - 2⁷ = 8312849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8312971) 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, 4156488 + 4156489.

It is an arithmetic number, because the mean of its divisors is an integer number (4156489).

Almost surely, 2^8312977 is an apocalyptic number.

It is an amenable number.

8312977 is a deficient number, since it is larger than the sum of its proper divisors (1).

8312977 is an equidigital number, since it uses as much as digits as its factorization.

8312977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 8312977 is about 2883.2233697721. The cubic root of 8312977 is about 202.5748501430.

The spelling of 8312977 in words is "eight million, three hundred twelve thousand, nine hundred seventy-seven".