88887068621 has 16 divisors (see below), whose sum is σ = 97119219120. Its totient is φ = 80856092160.

The previous prime is 88887068591. The next prime is 88887068623. The reversal of 88887068621 is 12686078888.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8665003396 + 80222065225 = 93086^2 + 283235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88887068621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88887068623) 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 15 ways as a sum of consecutive naturals, for example, 1081115 + ... + 1160423.

It is an arithmetic number, because the mean of its divisors is an integer number (6069951195).

Almost surely, 2^88887068621 is an apocalyptic number.

It is an amenable number.

88887068621 is a deficient number, since it is larger than the sum of its proper divisors (8232150499).

88887068621 is a wasteful number, since it uses less digits than its factorization.

88887068621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80576.

The product of its (nonzero) digits is 16515072, while the sum is 62.

The spelling of 88887068621 in words is "eighty-eight billion, eight hundred eighty-seven million, sixty-eight thousand, six hundred twenty-one".