88838866521 has 48 divisors (see below), whose sum is σ = 131789898240. Its totient is φ = 57649138560.

The previous prime is 88838866489. The next prime is 88838866541. The reversal of 88838866521 is 12566883888.

It is not a de Polignac number, because 88838866521 - 2⁵ = 88838866489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88838866541) 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 47 ways as a sum of consecutive naturals, for example, 22666800 + ... + 22670718.

It is an arithmetic number, because the mean of its divisors is an integer number (2745622880).

Almost surely, 2^88838866521 is an apocalyptic number.

It is an amenable number.

88838866521 is a deficient number, since it is larger than the sum of its proper divisors (42951031719).

88838866521 is a wasteful number, since it uses less digits than its factorization.

88838866521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406 (or 4403 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 63.

The spelling of 88838866521 in words is "eighty-eight billion, eight hundred thirty-eight million, eight hundred sixty-six thousand, five hundred twenty-one".