1387750000277 has 2 divisors, whose sum is σ = 1387750000278. Its totient is φ = 1387750000276.

The previous prime is 1387750000229. The next prime is 1387750000369. The reversal of 1387750000277 is 7720000577831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1384008720721 + 3741279556 = 1176439^2 + 61166^2 .

It is a cyclic number.

It is not a de Polignac number, because 1387750000277 - 2¹² = 1387749996181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1387750000177) 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, 693875000138 + 693875000139.

It is an arithmetic number, because the mean of its divisors is an integer number (693875000139).

Almost surely, 2^{1387750000277} is an apocalyptic number.

It is an amenable number.

1387750000277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387750000277 is an equidigital number, since it uses as much as digits as its factorization.

1387750000277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576240, while the sum is 47.

The spelling of 1387750000277 in words is "one trillion, three hundred eighty-seven billion, seven hundred fifty million, two hundred seventy-seven", and thus it is an aban number.