1377852859 has 2 divisors, whose sum is σ = 1377852860. Its totient is φ = 1377852858.

The previous prime is 1377852851. The next prime is 1377852899. The reversal of 1377852859 is 9582587731.

It is a weak prime.

It is an emirp because it is prime and its reverse (9582587731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1377852859 - 2³ = 1377852851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1377852851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688926429 + 688926430.

It is an arithmetic number, because the mean of its divisors is an integer number (688926430).

Almost surely, 2^1377852859 is an apocalyptic number.

1377852859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377852859 is an equidigital number, since it uses as much as digits as its factorization.

1377852859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 55.

The square root of 1377852859 is about 37119.4404456748. The cubic root of 1377852859 is about 1112.7585687584.

The spelling of 1377852859 in words is "one billion, three hundred seventy-seven million, eight hundred fifty-two thousand, eight hundred fifty-nine".