88564281 has 24 divisors (see below), whose sum is σ = 128509920. Its totient is φ = 54228096.

The previous prime is 88564279. The next prime is 88564291. The reversal of 88564281 is 18246588.

It is not a de Polignac number, because 88564281 - 2¹ = 88564279 is a prime.

It is a super-2 number, since 2×88564281² = 15687263738093922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88564211) 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 23 ways as a sum of consecutive naturals, for example, 155365 + ... + 155933.

It is an arithmetic number, because the mean of its divisors is an integer number (5354580).

Almost surely, 2^88564281 is an apocalyptic number.

It is an amenable number.

88564281 is a deficient number, since it is larger than the sum of its proper divisors (39945639).

88564281 is a wasteful number, since it uses less digits than its factorization.

88564281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 892 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 88564281 is about 9410.8597375585. The cubic root of 88564281 is about 445.7447127046.

The spelling of 88564281 in words is "eighty-eight million, five hundred sixty-four thousand, two hundred eighty-one".