1188072808 has 64 divisors (see below), whose sum is σ = 2434037760. Its totient is φ = 540400896.

The previous prime is 1188072763. The next prime is 1188072811. The reversal of 1188072808 is 8082708811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3869791 + ... + 3870097.

It is an arithmetic number, because the mean of its divisors is an integer number (38031840).

Almost surely, 2^1188072808 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 1188072808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217018880).

1188072808 is an abundant number, since it is smaller than the sum of its proper divisors (1245964952).

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

1188072808 is a wasteful number, since it uses less digits than its factorization.

1188072808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 43.

The square root of 1188072808 is about 34468.4320502108. The cubic root of 1188072808 is about 1059.1261363176.

The spelling of 1188072808 in words is "one billion, one hundred eighty-eight million, seventy-two thousand, eight hundred eight".