88633109 has 4 divisors (see below), whose sum is σ = 89280204. Its totient is φ = 87986016.

The previous prime is 88633073. The next prime is 88633133. The reversal of 88633109 is 90133688.

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 30492484 + 58140625 = 5522^2 + 7625^2 .

It is a cyclic number.

It is not a de Polignac number, because 88633109 - 2²⁰ = 87584533 is a prime.

It is a super-2 number, since 2×88633109² = 15711656022011762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88633199) 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 3 ways as a sum of consecutive naturals, for example, 323342 + ... + 323615.

It is an arithmetic number, because the mean of its divisors is an integer number (22320051).

Almost surely, 2^88633109 is an apocalyptic number.

It is an amenable number.

88633109 is a deficient number, since it is larger than the sum of its proper divisors (647095).

88633109 is a wasteful number, since it uses less digits than its factorization.

88633109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647094.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 88633109 is about 9414.5158664692. The cubic root of 88633109 is about 445.8601534239.

The spelling of 88633109 in words is "eighty-eight million, six hundred thirty-three thousand, one hundred nine".