88880889 has 8 divisors (see below), whose sum is σ = 119595520. Its totient is φ = 58710096.

The previous prime is 88880881. The next prime is 88880899. The reversal of 88880889 is 98808888.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88880889 - 2³ = 88880881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88880881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135577 + ... + 136230.

It is an arithmetic number, because the mean of its divisors is an integer number (14949440).

Almost surely, 2^88880889 is an apocalyptic number.

It is an amenable number.

88880889 is a deficient number, since it is larger than the sum of its proper divisors (30714631).

88880889 is a wasteful number, since it uses less digits than its factorization.

88880889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271919.

The product of its (nonzero) digits is 2359296, while the sum is 57.

The square root of 88880889 is about 9427.6661480984. Note that the first 3 decimals coincide. The cubic root of 88880889 is about 446.2752445134.

The spelling of 88880889 in words is "eighty-eight million, eight hundred eighty thousand, eight hundred eighty-nine".