88001029609 has 2 divisors, whose sum is σ = 88001029610. Its totient is φ = 88001029608.

The previous prime is 88001029579. The next prime is 88001029619. The reversal of 88001029609 is 90692010088.

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., 50463129600 + 37537900009 = 224640^2 + 193747^2 .

It is a cyclic number.

It is not a de Polignac number, because 88001029609 - 2¹³ = 88001021417 is a prime.

It is not a weakly prime, because it can be changed into another prime (88001029619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44000514804 + 44000514805.

It is an arithmetic number, because the mean of its divisors is an integer number (44000514805).

Almost surely, 2^88001029609 is an apocalyptic number.

It is an amenable number.

88001029609 is a deficient number, since it is larger than the sum of its proper divisors (1).

88001029609 is an equidigital number, since it uses as much as digits as its factorization.

88001029609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 88001029609 in words is "eighty-eight billion, one million, twenty-nine thousand, six hundred nine".