1088159868 has 72 divisors (see below), whose sum is σ = 3065746320. Its totient is φ = 323412480.

The previous prime is 1088159867. The next prime is 1088159869. The reversal of 1088159868 is 8689518801.

It is an interprime number because it is at equal distance from previous prime (1088159867) and next prime (1088159869).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088159867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35163 + ... + 58418.

It is an arithmetic number, because the mean of its divisors is an integer number (42579810).

Almost surely, 2^1088159868 is an apocalyptic number.

1088159868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1088159868 is an abundant number, since it is smaller than the sum of its proper divisors (1977586452).

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

1088159868 is a wasteful number, since it uses less digits than its factorization.

1088159868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93627 (or 93622 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 54.

The square root of 1088159868 is about 32987.2682712588. The cubic root of 1088159868 is about 1028.5630094880.

The spelling of 1088159868 in words is "one billion, eighty-eight million, one hundred fifty-nine thousand, eight hundred sixty-eight".