88871729 has 2 divisors, whose sum is σ = 88871730. Its totient is φ = 88871728.

The previous prime is 88871707. The next prime is 88871749. The reversal of 88871729 is 92717888.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83302129 + 5569600 = 9127^2 + 2360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88871729 is a prime.

It is not a weakly prime, because it can be changed into another prime (88871749) 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 as a sum of consecutive naturals, namely, 44435864 + 44435865.

It is an arithmetic number, because the mean of its divisors is an integer number (44435865).

Almost surely, 2^88871729 is an apocalyptic number.

It is an amenable number.

88871729 is a deficient number, since it is larger than the sum of its proper divisors (1).

88871729 is an equidigital number, since it uses as much as digits as its factorization.

88871729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 50.

The square root of 88871729 is about 9427.1803313610. The cubic root of 88871729 is about 446.2599130523.

The spelling of 88871729 in words is "eighty-eight million, eight hundred seventy-one thousand, seven hundred twenty-nine".