1088802889 has 2 divisors, whose sum is σ = 1088802890. Its totient is φ = 1088802888.

The previous prime is 1088802857. The next prime is 1088802917. The reversal of 1088802889 is 9882088801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577681225 + 511121664 = 24035^2 + 22608^2 .

It is a cyclic number.

It is not a de Polignac number, because 1088802889 - 2⁵ = 1088802857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1088802089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544401444 + 544401445.

It is an arithmetic number, because the mean of its divisors is an integer number (544401445).

Almost surely, 2^1088802889 is an apocalyptic number.

It is an amenable number.

1088802889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1088802889 is an equidigital number, since it uses as much as digits as its factorization.

1088802889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 589824, while the sum is 52.

The square root of 1088802889 is about 32997.0133345429. The cubic root of 1088802889 is about 1028.7655708334.

The spelling of 1088802889 in words is "one billion, eighty-eight million, eight hundred two thousand, eight hundred eighty-nine".