1347000077 has 2 divisors, whose sum is σ = 1347000078. Its totient is φ = 1347000076.

The previous prime is 1347000073. The next prime is 1347000107. The reversal of 1347000077 is 7700007431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1305449161 + 41550916 = 36131^2 + 6446^2 .

It is a cyclic number.

It is not a de Polignac number, because 1347000077 - 2² = 1347000073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1347000073) 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, 673500038 + 673500039.

It is an arithmetic number, because the mean of its divisors is an integer number (673500039).

Almost surely, 2^1347000077 is an apocalyptic number.

It is an amenable number.

1347000077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347000077 is an equidigital number, since it uses as much as digits as its factorization.

1347000077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 1347000077 is about 36701.4996560086. The cubic root of 1347000077 is about 1104.3901897948.

The spelling of 1347000077 in words is "one billion, three hundred forty-seven million, seventy-seven", and thus it is an aban number.