889470975 has 24 divisors (see below), whose sum is σ = 1471972752. Its totient is φ = 473939200.

The previous prime is 889470947. The next prime is 889470979. The reversal of 889470975 is 579074988.

It is a Cunningham number, because it is equal to 29824²-1.

It is not a de Polignac number, because 889470975 - 2¹⁰ = 889469951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889470979) 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 23 ways as a sum of consecutive naturals, for example, 84505 + ... + 94445.

It is an arithmetic number, because the mean of its divisors is an integer number (61332198).

Almost surely, 2^889470975 is an apocalyptic number.

889470975 is a deficient number, since it is larger than the sum of its proper divisors (582501777).

889470975 is a wasteful number, since it uses less digits than its factorization.

889470975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147 (or 11142 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 57.

The square root of 889470975 is about 29823.9999832350. Note that the first 4 decimals coincide. The cubic root of 889470975 is about 961.7095461031.

It can be divided in two parts, 889470 and 975, that added together give a triangular number (890445 = T₁₃₃₄).

The spelling of 889470975 in words is "eight hundred eighty-nine million, four hundred seventy thousand, nine hundred seventy-five".