1377933231879 has 6 divisors (see below), whose sum is σ = 1990348001616. Its totient is φ = 918622154580.

The previous prime is 1377933231869. The next prime is 1377933231889. The reversal of 1377933231879 is 9781323397731.

1377933231879 is a `hidden beast` number, since 137 + 7 + 93 + 32 + 318 + 79 = 666.

It is an interprime number because it is at equal distance from previous prime (1377933231869) and next prime (1377933231889).

It is not a de Polignac number, because 1377933231879 - 2¹⁶ = 1377933166343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377933231869) 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 in 5 ways as a sum of consecutive naturals, for example, 76551846207 + ... + 76551846224.

It is an arithmetic number, because the mean of its divisors is an integer number (331724666936).

Almost surely, 2^{1377933231879} is an apocalyptic number.

1377933231879 is a deficient number, since it is larger than the sum of its proper divisors (612414769737).

1377933231879 is a wasteful number, since it uses less digits than its factorization.

1377933231879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153103692437 (or 153103692434 counting only the distinct ones).

The product of its digits is 36006768, while the sum is 63.

The spelling of 1377933231879 in words is "one trillion, three hundred seventy-seven billion, nine hundred thirty-three million, two hundred thirty-one thousand, eight hundred seventy-nine".