88449881 has 8 divisors (see below), whose sum is σ = 99395520. Its totient is φ = 78095952.

The previous prime is 88449859. The next prime is 88449887. The reversal of 88449881 is 18894488.

88449881 = 388² + 389² + ... + 686².

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

It is a cyclic number.

It is not a de Polignac number, because 88449881 - 2²⁶ = 21341017 is a prime.

It is a super-2 number, since 2×88449881² = 15646762897828322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88449887) 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 7 ways as a sum of consecutive naturals, for example, 147611 + ... + 148208.

It is an arithmetic number, because the mean of its divisors is an integer number (12424440).

Almost surely, 2^88449881 is an apocalyptic number.

It is an amenable number.

88449881 is a deficient number, since it is larger than the sum of its proper divisors (10945639).

88449881 is a wasteful number, since it uses less digits than its factorization.

88449881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295855.

The product of its digits is 589824, while the sum is 50.

The square root of 88449881 is about 9404.7796890730. The cubic root of 88449881 is about 445.5527046452.

The spelling of 88449881 in words is "eighty-eight million, four hundred forty-nine thousand, eight hundred eighty-one".