312068077 has 2 divisors, whose sum is σ = 312068078. Its totient is φ = 312068076.

The previous prime is 312067999. The next prime is 312068089. The reversal of 312068077 is 770860213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190605636 + 121462441 = 13806^2 + 11021^2 .

It is an emirp because it is prime and its reverse (770860213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312068077 - 2⁷ = 312067949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312068377) 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, 156034038 + 156034039.

It is an arithmetic number, because the mean of its divisors is an integer number (156034039).

Almost surely, 2^312068077 is an apocalyptic number.

It is an amenable number.

312068077 is a deficient number, since it is larger than the sum of its proper divisors (1).

312068077 is an equidigital number, since it uses as much as digits as its factorization.

312068077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 312068077 is about 17665.4486781400. The cubic root of 312068077 is about 678.2916148234.

The spelling of 312068077 in words is "three hundred twelve million, sixty-eight thousand, seventy-seven".