1088563868 has 12 divisors (see below), whose sum is σ = 2177127792. Its totient is φ = 466527360.

The previous prime is 1088563867. The next prime is 1088563901. The reversal of 1088563868 is 8683658801.

1088563868 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088563867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19438613 + ... + 19438668.

It is an arithmetic number, because the mean of its divisors is an integer number (181427316).

Almost surely, 2^1088563868 is an apocalyptic number.

It is an amenable number.

1088563868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1088563868 is a wasteful number, since it uses less digits than its factorization.

1088563868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38877292 (or 38877290 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 53.

The square root of 1088563868 is about 32993.3912776483. The cubic root of 1088563868 is about 1028.6902849166.

The spelling of 1088563868 in words is "one billion, eighty-eight million, five hundred sixty-three thousand, eight hundred sixty-eight".