88811889 has 4 divisors (see below), whose sum is σ = 118415856. Its totient is φ = 59207924.

The previous prime is 88811867. The next prime is 88811923. The reversal of 88811889 is 98811888.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88811889 - 2⁵ = 88811857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88813889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14801979 + ... + 14801984.

It is an arithmetic number, because the mean of its divisors is an integer number (29603964).

Almost surely, 2^88811889 is an apocalyptic number.

It is an amenable number.

88811889 is a deficient number, since it is larger than the sum of its proper divisors (29603967).

88811889 is a wasteful number, since it uses less digits than its factorization.

88811889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29603966.

The product of its digits is 294912, while the sum is 51.

The square root of 88811889 is about 9424.0059953292. The cubic root of 88811889 is about 446.1597305034.

Subtracting 88811889 from its reverse (98811888), we obtain a palindrome (9999999).

The spelling of 88811889 in words is "eighty-eight million, eight hundred eleven thousand, eight hundred eighty-nine".