88229789 has 4 divisors (see below), whose sum is σ = 89894556. Its totient is φ = 86565024.

The previous prime is 88229777. The next prime is 88229797. The reversal of 88229789 is 98792288.

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 34456900 + 53772889 = 5870^2 + 7333^2 .

It is a cyclic number.

It is not a de Polignac number, because 88229789 - 2¹² = 88225693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 1664713 = 88229789 / (8 + 8 + 2 + 2 + 9 + 7 + 8 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88229789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88229759) 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, 832304 + ... + 832409.

It is an arithmetic number, because the mean of its divisors is an integer number (22473639).

Almost surely, 2^88229789 is an apocalyptic number.

It is an amenable number.

88229789 is a deficient number, since it is larger than the sum of its proper divisors (1664767).

88229789 is a wasteful number, since it uses less digits than its factorization.

88229789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664766.

The product of its digits is 1161216, while the sum is 53.

The square root of 88229789 is about 9393.0713294428. The cubic root of 88229789 is about 445.1828377987.

The spelling of 88229789 in words is "eighty-eight million, two hundred twenty-nine thousand, seven hundred eighty-nine".