89319092769 has 21 divisors (see below), whose sum is σ = 133929477283. Its totient is φ = 59540682312.

The previous prime is 89319092749. The next prime is 89319092801. The reversal of 89319092769 is 96729091398.

It is a happy number.

The square root of 89319092769 is 298863.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8333316369 + 80985776400 = 91287^2 + 284580^2 .

It is not a de Polignac number, because 89319092769 - 2¹⁹ = 89318568481 is a prime.

It is a super-2 number, since 2×89319092769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89319092749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 8063767 + ... + 8074835.

Almost surely, 2^89319092769 is an apocalyptic number.

89319092769 is the 298863-rd square number.

89319092769 is the 149432-nd centered octagonal number.

It is an amenable number.

89319092769 is a deficient number, since it is larger than the sum of its proper divisors (44610384514).

89319092769 is an frugal number, since it uses more digits than its factorization.

89319092769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22156 (or 11072 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 63.

The spelling of 89319092769 in words is "eighty-nine billion, three hundred nineteen million, ninety-two thousand, seven hundred sixty-nine".