88189500281 has 2 divisors, whose sum is σ = 88189500282. Its totient is φ = 88189500280.

The previous prime is 88189500263. The next prime is 88189500313. The reversal of 88189500281 is 18200598188.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61644944656 + 26544555625 = 248284^2 + 162925^2 .

It is a cyclic number.

It is not a de Polignac number, because 88189500281 - 2²⁶ = 88122391417 is a prime.

It is a super-2 number, since 2×88189500281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88189500211) 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 as a sum of consecutive naturals, namely, 44094750140 + 44094750141.

It is an arithmetic number, because the mean of its divisors is an integer number (44094750141).

Almost surely, 2^88189500281 is an apocalyptic number.

It is an amenable number.

88189500281 is a deficient number, since it is larger than the sum of its proper divisors (1).

88189500281 is an equidigital number, since it uses as much as digits as its factorization.

88189500281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 50.

The spelling of 88189500281 in words is "eighty-eight billion, one hundred eighty-nine million, five hundred thousand, two hundred eighty-one".