1387379206788 has 192 divisors, whose sum is σ = 3534401418240. Its totient is φ = 422134530048.

The previous prime is 1387379206747. The next prime is 1387379206789. The reversal of 1387379206788 is 8876029737831.

It is not an unprimeable number, because it can be changed into a prime (1387379206789) 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 63 ways as a sum of consecutive naturals, for example, 218929956 + ... + 218936292.

It is an arithmetic number, because the mean of its divisors is an integer number (18408340720).

Almost surely, 2^{1387379206788} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1387379206788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767200709120).

1387379206788 is an abundant number, since it is smaller than the sum of its proper divisors (2147022211452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1387379206788 is a wasteful number, since it uses less digits than its factorization.

1387379206788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706 (or 6704 counting only the distinct ones).

The product of its (nonzero) digits is 170698752, while the sum is 69.

The spelling of 1387379206788 in words is "one trillion, three hundred eighty-seven billion, three hundred seventy-nine million, two hundred six thousand, seven hundred eighty-eight".