1388288883 has 8 divisors (see below), whose sum is σ = 1874483200. Its totient is φ = 913810248.

The previous prime is 1388288879. The next prime is 1388288887. The reversal of 1388288883 is 3888828831.

It is an interprime number because it is at equal distance from previous prime (1388288879) and next prime (1388288887).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1388288883 - 2² = 1388288879 is a prime.

It is a super-2 number, since 2×1388288883² = 3854692045322775378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1388288887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2928643 + ... + 2929116.

It is an arithmetic number, because the mean of its divisors is an integer number (234310400).

Almost surely, 2^1388288883 is an apocalyptic number.

1388288883 is a deficient number, since it is larger than the sum of its proper divisors (486194317).

1388288883 is an equidigital number, since it uses as much as digits as its factorization.

1388288883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857841.

The product of its digits is 4718592, while the sum is 57.

The square root of 1388288883 is about 37259.7488316816. The cubic root of 1388288883 is about 1115.5608948438.

The spelling of 1388288883 in words is "one billion, three hundred eighty-eight million, two hundred eighty-eight thousand, eight hundred eighty-three".