888678380641 has 4 divisors (see below), whose sum is σ = 888906895300. Its totient is φ = 888449865984.

The previous prime is 888678380627. The next prime is 888678380651. The reversal of 888678380641 is 146083876888.

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 757848597025 + 130829783616 = 870545^2 + 361704^2 .

It is a cyclic number.

It is not a de Polignac number, because 888678380641 - 2⁹ = 888678380129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (888678380621) by changing a digit.

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, 114251496 + ... + 114259273.

It is an arithmetic number, because the mean of its divisors is an integer number (222226723825).

Almost surely, 2^888678380641 is an apocalyptic number.

It is an amenable number.

888678380641 is a deficient number, since it is larger than the sum of its proper divisors (228514659).

888678380641 is a wasteful number, since it uses less digits than its factorization.

888678380641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228514658.

The product of its (nonzero) digits is 99090432, while the sum is 67.

The spelling of 888678380641 in words is "eight hundred eighty-eight billion, six hundred seventy-eight million, three hundred eighty thousand, six hundred forty-one".