88663525729 has 2 divisors, whose sum is σ = 88663525730. Its totient is φ = 88663525728.

The previous prime is 88663525693. The next prime is 88663525777. The reversal of 88663525729 is 92752536688.

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., 68992902225 + 19670623504 = 262665^2 + 140252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88663525729 is a prime.

It is a super-2 number, since 2×88663525729² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88663525129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44331762864 + 44331762865.

It is an arithmetic number, because the mean of its divisors is an integer number (44331762865).

Almost surely, 2^88663525729 is an apocalyptic number.

It is an amenable number.

88663525729 is a deficient number, since it is larger than the sum of its proper divisors (1).

88663525729 is an equidigital number, since it uses as much as digits as its factorization.

88663525729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43545600, while the sum is 61.

The spelling of 88663525729 in words is "eighty-eight billion, six hundred sixty-three million, five hundred twenty-five thousand, seven hundred twenty-nine".