1379828077 has 2 divisors, whose sum is σ = 1379828078. Its totient is φ = 1379828076.

The previous prime is 1379828053. The next prime is 1379828081. The reversal of 1379828077 is 7708289731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1058916681 + 320911396 = 32541^2 + 17914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379828077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379828027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689914038 + 689914039.

It is an arithmetic number, because the mean of its divisors is an integer number (689914039).

Almost surely, 2^1379828077 is an apocalyptic number.

It is an amenable number.

1379828077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379828077 is an equidigital number, since it uses as much as digits as its factorization.

1379828077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The square root of 1379828077 is about 37146.0371641444. The cubic root of 1379828077 is about 1113.2900457570.

The spelling of 1379828077 in words is "one billion, three hundred seventy-nine million, eight hundred twenty-eight thousand, seventy-seven".