88169206489 has 45 divisors (see below), whose sum is σ = 111555331161. Its totient is φ = 69482322000.

The previous prime is 88169206441. The next prime is 88169206511. The reversal of 88169206489 is 98460296188.

The square root of 88169206489 is 296933.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43715700889 + 44453505600 = 209083^2 + 210840^2 .

It is not a de Polignac number, because 88169206489 - 2²⁹ = 87632335577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88169206429) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 351271614 + ... + 351271864.

Almost surely, 2^88169206489 is an apocalyptic number.

88169206489 is the 296933-rd square number.

88169206489 is the 148467-th centered octagonal number.

It is an amenable number.

88169206489 is a deficient number, since it is larger than the sum of its proper divisors (23386124672).

88169206489 is an frugal number, since it uses more digits than its factorization.

88169206489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 61.

The spelling of 88169206489 in words is "eighty-eight billion, one hundred sixty-nine million, two hundred six thousand, four hundred eighty-nine".