88189399089 has 27 divisors (see below), whose sum is σ = 140033440729. Its totient is φ = 53442181320.

The previous prime is 88189399063. The next prime is 88189399097. The reversal of 88189399089 is 98099398188.

The square root of 88189399089 is 296967.

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

88189399089 is a `hidden beast` number, since 8 + 81 + 89 + 399 + 0 + 89 = 666.

It is not a de Polignac number, because 88189399089 - 2⁵ = 88189399057 is a prime.

It is a super-2 number, since 2×88189399089² (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 (88189399009) 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 26 ways as a sum of consecutive naturals, for example, 9795412 + ... + 9804410.

Almost surely, 2^88189399089 is an apocalyptic number.

88189399089 is the 296967-th square number.

88189399089 is the 148484-th centered octagonal number.

It is an amenable number.

88189399089 is a deficient number, since it is larger than the sum of its proper divisors (51844041640).

88189399089 is an frugal number, since it uses more digits than its factorization.

88189399089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18026 (or 9013 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 72.

Subtracting 88189399089 from its reverse (98099398188), we obtain a palindrome (9909999099).

The spelling of 88189399089 in words is "eighty-eight billion, one hundred eighty-nine million, three hundred ninety-nine thousand, eighty-nine".