889376458291 has 4 divisors (see below), whose sum is σ = 890333807400. Its totient is φ = 888419109184.

The previous prime is 889376458261. The next prime is 889376458441. The reversal of 889376458291 is 192854673988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889376458291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 889376458291.

It is not an unprimeable number, because it can be changed into a prime (889376458261) 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, 478673161 + ... + 478675018.

It is an arithmetic number, because the mean of its divisors is an integer number (222583451850).

Almost surely, 2^889376458291 is an apocalyptic number.

889376458291 is a deficient number, since it is larger than the sum of its proper divisors (957349109).

889376458291 is an equidigital number, since it uses as much as digits as its factorization.

889376458291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957349108.

The product of its digits is 209018880, while the sum is 70.

The spelling of 889376458291 in words is "eight hundred eighty-nine billion, three hundred seventy-six million, four hundred fifty-eight thousand, two hundred ninety-one".