89129969 has 8 divisors (see below), whose sum is σ = 93985440. Its totient is φ = 84290976.

The previous prime is 89129951. The next prime is 89129977. The reversal of 89129969 is 96992198.

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 89129969 - 2¹² = 89125873 is a prime.

It is a super-2 number, since 2×89129969² = 15888302747881922, which contains 22 as substring.

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 89129969.

It is not an unprimeable number, because it can be changed into a prime (89129269) 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 7 ways as a sum of consecutive naturals, for example, 7922 + ... + 15524.

It is an arithmetic number, because the mean of its divisors is an integer number (11748180).

Almost surely, 2^89129969 is an apocalyptic number.

It is an amenable number.

89129969 is a deficient number, since it is larger than the sum of its proper divisors (4855471).

89129969 is a wasteful number, since it uses less digits than its factorization.

89129969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239.

The product of its digits is 629856, while the sum is 53.

The square root of 89129969 is about 9440.8669623081. The cubic root of 89129969 is about 446.6917366068.

It can be divided in two parts, 8912 and 9969, that added together give a palindrome (18881).

The spelling of 89129969 in words is "eighty-nine million, one hundred twenty-nine thousand, nine hundred sixty-nine".