1388088088 has 16 divisors (see below), whose sum is σ = 2715824880. Its totient is φ = 663868128.

The previous prime is 1388088071. The next prime is 1388088167. The reversal of 1388088088 is 8808808831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3771795 + ... + 3772162.

It is an arithmetic number, because the mean of its divisors is an integer number (169739055).

Almost surely, 2^1388088088 is an apocalyptic number.

It is an amenable number.

1388088088 is a deficient number, since it is larger than the sum of its proper divisors (1327736792).

1388088088 is a wasteful number, since it uses less digits than its factorization.

1388088088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7543986 (or 7543982 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 52.

The square root of 1388088088 is about 37257.0542045396. The cubic root of 1388088088 is about 1115.5071092441.

The spelling of 1388088088 in words is "one billion, three hundred eighty-eight million, eighty-eight thousand, eighty-eight".