88198689 has 16 divisors (see below), whose sum is σ = 121685504. Its totient is φ = 56764800.

The previous prime is 88198679. The next prime is 88198717. The reversal of 88198689 is 98689188.

It is not a de Polignac number, because 88198689 - 2⁸ = 88198433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88198679) by changing a digit.

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, 49437 + ... + 51189.

It is an arithmetic number, because the mean of its divisors is an integer number (7605344).

Almost surely, 2^88198689 is an apocalyptic number.

It is an amenable number.

88198689 is a deficient number, since it is larger than the sum of its proper divisors (33486815).

88198689 is a wasteful number, since it uses less digits than its factorization.

88198689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328.

The product of its digits is 1990656, while the sum is 57.

The square root of 88198689 is about 9391.4157079750. The cubic root of 88198689 is about 445.1305243511.

The spelling of 88198689 in words is "eighty-eight million, one hundred ninety-eight thousand, six hundred eighty-nine".