889571465 has 16 divisors (see below), whose sum is σ = 1105831440. Its totient is φ = 686484480.

The previous prime is 889571411. The next prime is 889571477. The reversal of 889571465 is 564175988.

It can be written as a sum of positive squares in 8 ways, for example, as 365115664 + 524455801 = 19108^2 + 22901^2 .

It is not a de Polignac number, because 889571465 - 2¹⁴ = 889555081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6134 + ... + 42623.

It is an arithmetic number, because the mean of its divisors is an integer number (69114465).

Almost surely, 2^889571465 is an apocalyptic number.

It is an amenable number.

889571465 is a deficient number, since it is larger than the sum of its proper divisors (216259975).

889571465 is a wasteful number, since it uses less digits than its factorization.

889571465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48892.

The product of its digits is 2419200, while the sum is 53.

The square root of 889571465 is about 29825.6846526614. The cubic root of 889571465 is about 961.7457618447.

The spelling of 889571465 in words is "eight hundred eighty-nine million, five hundred seventy-one thousand, four hundred sixty-five".