88689845 has 4 divisors (see below), whose sum is σ = 106427820. Its totient is φ = 70951872.

The previous prime is 88689787. The next prime is 88689871. The reversal of 88689845 is 54898688.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65399569 + 23290276 = 8087^2 + 4826^2 .

It is a cyclic number.

It is not a de Polignac number, because 88689845 - 2⁸ = 88689589 is a prime.

It is a super-2 number, since 2×88689845² = 15731777212248050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 8868980 + ... + 8868989.

It is an arithmetic number, because the mean of its divisors is an integer number (26606955).

Almost surely, 2^88689845 is an apocalyptic number.

It is an amenable number.

88689845 is a deficient number, since it is larger than the sum of its proper divisors (17737975).

88689845 is a wasteful number, since it uses less digits than its factorization.

88689845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17737974.

The product of its digits is 4423680, while the sum is 56.

The square root of 88689845 is about 9417.5286036200. The cubic root of 88689845 is about 445.9552680911.

The spelling of 88689845 in words is "eighty-eight million, six hundred eighty-nine thousand, eight hundred forty-five".