88666248540538 has 8 divisors (see below), whose sum is σ = 136243259952660. Its totient is φ = 43251828556320.

The previous prime is 88666248540461. The next prime is 88666248540601. The reversal of 88666248540538 is 83504584266688.

It can be written as a sum of positive squares in 2 ways, for example, as 88497349733809 + 168898806729 = 9407303^2 + 410973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540647856873 + ... + 540647857036.

Almost surely, 2^{88666248540538} is an apocalyptic number.

88666248540538 is a deficient number, since it is larger than the sum of its proper divisors (47577011412122).

88666248540538 is a wasteful number, since it uses less digits than its factorization.

88666248540538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081295713952.

The product of its (nonzero) digits is 2123366400, while the sum is 73.

The spelling of 88666248540538 in words is "eighty-eight trillion, six hundred sixty-six billion, two hundred forty-eight million, five hundred forty thousand, five hundred thirty-eight".