889487471 has 2 divisors, whose sum is σ = 889487472. Its totient is φ = 889487470.

The previous prime is 889487453. The next prime is 889487477. The reversal of 889487471 is 174784988.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 889487471 - 2¹⁰ = 889486447 is a prime.

It is a super-3 number, since 3×889487471³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889487477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444743735 + 444743736.

It is an arithmetic number, because the mean of its divisors is an integer number (444743736).

Almost surely, 2^889487471 is an apocalyptic number.

889487471 is a deficient number, since it is larger than the sum of its proper divisors (1).

889487471 is an equidigital number, since it uses as much as digits as its factorization.

889487471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3612672, while the sum is 56.

The square root of 889487471 is about 29824.2765377469. The cubic root of 889487471 is about 961.7154913084.

The spelling of 889487471 in words is "eight hundred eighty-nine million, four hundred eighty-seven thousand, four hundred seventy-one".