88648608484921 has 3 divisors (see below), whose sum is σ = 88648617900261. Its totient is φ = 88648599069582.

The previous prime is 88648608484879. The next prime is 88648608484937. The reversal of 88648608484921 is 12948480684688.

The square root of 88648608484921 is 9415339.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-88648608484921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88648608482921) 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 in 2 ways as a sum of consecutive naturals, for example, 4707670 + ... + 14123008.

It is an arithmetic number, because the mean of its divisors is an integer number (29549539300087).

Almost surely, 2^{88648608484921} is an apocalyptic number.

88648608484921 is the 9415339-th square number.

88648608484921 is the 4707670-th centered octagonal number.

It is an amenable number.

88648608484921 is a deficient number, since it is larger than the sum of its proper divisors (9415340).

88648608484921 is an frugal number, since it uses more digits than its factorization.

88648608484921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18830678 (or 9415339 counting only the distinct ones).

The product of its (nonzero) digits is 1358954496, while the sum is 76.

The spelling of 88648608484921 in words is "eighty-eight trillion, six hundred forty-eight billion, six hundred eight million, four hundred eighty-four thousand, nine hundred twenty-one".