88471729 has 2 divisors, whose sum is σ = 88471730. Its totient is φ = 88471728.

The previous prime is 88471697. The next prime is 88471741. The reversal of 88471729 is 92717488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66830625 + 21641104 = 8175^2 + 4652^2 .

It is a cyclic number.

It is not a de Polignac number, because 88471729 - 2⁵ = 88471697 is a prime.

It is not a weakly prime, because it can be changed into another prime (88477729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44235864 + 44235865.

It is an arithmetic number, because the mean of its divisors is an integer number (44235865).

Almost surely, 2^88471729 is an apocalyptic number.

It is an amenable number.

88471729 is a deficient number, since it is larger than the sum of its proper divisors (1).

88471729 is an equidigital number, since it uses as much as digits as its factorization.

88471729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 46.

The square root of 88471729 is about 9405.9411543981. The cubic root of 88471729 is about 445.5893869411.

The spelling of 88471729 in words is "eighty-eight million, four hundred seventy-one thousand, seven hundred twenty-nine".