1344073777 has 2 divisors, whose sum is σ = 1344073778. Its totient is φ = 1344073776.

The previous prime is 1344073769. The next prime is 1344073823. The reversal of 1344073777 is 7773704431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191699441 + 152374336 = 34521^2 + 12344^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344073777 - 2³ = 1344073769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344083777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672036888 + 672036889.

It is an arithmetic number, because the mean of its divisors is an integer number (672036889).

Almost surely, 2^1344073777 is an apocalyptic number.

It is an amenable number.

1344073777 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344073777 is an equidigital number, since it uses as much as digits as its factorization.

1344073777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345744, while the sum is 43.

The square root of 1344073777 is about 36661.6117621689. The cubic root of 1344073777 is about 1103.5898631541.

The spelling of 1344073777 in words is "one billion, three hundred forty-four million, seventy-three thousand, seven hundred seventy-seven".