1388763875 has 8 divisors (see below), whose sum is σ = 1733177472. Its totient is φ = 1111011000.

The previous prime is 1388763869. The next prime is 1388763907. The reversal of 1388763875 is 5783678831.

It is not a de Polignac number, because 1388763875 - 2⁶ = 1388763811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1388763875.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5554931 + ... + 5555180.

It is an arithmetic number, because the mean of its divisors is an integer number (216647184).

Almost surely, 2^1388763875 is an apocalyptic number.

1388763875 is a deficient number, since it is larger than the sum of its proper divisors (344413597).

1388763875 is an equidigital number, since it uses as much as digits as its factorization.

1388763875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110126 (or 11110116 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The square root of 1388763875 is about 37266.1223499306. The cubic root of 1388763875 is about 1115.6881070993.

The spelling of 1388763875 in words is "one billion, three hundred eighty-eight million, seven hundred sixty-three thousand, eight hundred seventy-five".