1089874688 has 144 divisors (see below), whose sum is σ = 2681204736. Its totient is φ = 431861760.

The previous prime is 1089874679. The next prime is 1089874691. The reversal of 1089874688 is 8864789801.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1277270 + ... + 1278122.

Almost surely, 2^1089874688 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 1089874688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340602368).

1089874688 is an abundant number, since it is smaller than the sum of its proper divisors (1591330048).

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

1089874688 is an equidigital number, since it uses as much as digits as its factorization.

1089874688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 59.

The square root of 1089874688 is about 33013.2501883713. The cubic root of 1089874688 is about 1029.1030265583.

The spelling of 1089874688 in words is "one billion, eighty-nine million, eight hundred seventy-four thousand, six hundred eighty-eight".