88628944321 has 4 divisors (see below), whose sum is σ = 93842411652. Its totient is φ = 83415476992.

The previous prime is 88628944307. The next prime is 88628944331. The reversal of 88628944321 is 12344982688.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67203303696 + 21425640625 = 259236^2 + 146375^2 .

It is a cyclic number.

It is not a de Polignac number, because 88628944321 - 2⁵ = 88628944289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88628944331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2606733640 + ... + 2606733673.

It is an arithmetic number, because the mean of its divisors is an integer number (23460602913).

Almost surely, 2^88628944321 is an apocalyptic number.

It is an amenable number.

88628944321 is a deficient number, since it is larger than the sum of its proper divisors (5213467331).

88628944321 is a wasteful number, since it uses less digits than its factorization.

88628944321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213467330.

The product of its digits is 5308416, while the sum is 55.

The spelling of 88628944321 in words is "eighty-eight billion, six hundred twenty-eight million, nine hundred forty-four thousand, three hundred twenty-one".