88818081 has 48 divisors (see below), whose sum is σ = 140286720. Its totient is φ = 49547520.

The previous prime is 88818077. The next prime is 88818101. The reversal of 88818081 is 18081888.

It is not a de Polignac number, because 88818081 - 2² = 88818077 is a prime.

It is a super-2 number, since 2×88818081² = 15777303025045122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88818071) 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 47 ways as a sum of consecutive naturals, for example, 638910 + ... + 639048.

It is an arithmetic number, because the mean of its divisors is an integer number (2922640).

Almost surely, 2^88818081 is an apocalyptic number.

It is an amenable number.

88818081 is a deficient number, since it is larger than the sum of its proper divisors (51468639).

88818081 is a wasteful number, since it uses less digits than its factorization.

88818081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 42.

The square root of 88818081 is about 9424.3345123144. The cubic root of 88818081 is about 446.1700990733.

The spelling of 88818081 in words is "eighty-eight million, eight hundred eighteen thousand, eighty-one".