88644029 has 2 divisors, whose sum is σ = 88644030. Its totient is φ = 88644028.

The previous prime is 88644011. The next prime is 88644077. The reversal of 88644029 is 92044688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62378404 + 26265625 = 7898^2 + 5125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88644029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88644229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44322014 + 44322015.

It is an arithmetic number, because the mean of its divisors is an integer number (44322015).

Almost surely, 2^88644029 is an apocalyptic number.

It is an amenable number.

88644029 is a deficient number, since it is larger than the sum of its proper divisors (1).

88644029 is an equidigital number, since it uses as much as digits as its factorization.

88644029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 88644029 is about 9415.0958040797. The cubic root of 88644029 is about 445.8784633346.

The spelling of 88644029 in words is "eighty-eight million, six hundred forty-four thousand, twenty-nine".