85889871969 has 32 divisors (see below), whose sum is σ = 127935227904. Its totient is φ = 50804470080.

The previous prime is 85889871959. The next prime is 85889871979. The reversal of 85889871969 is 96917898858.

It is an interprime number because it is at equal distance from previous prime (85889871959) and next prime (85889871979).

It is not a de Polignac number, because 85889871969 - 2⁷ = 85889871841 is a prime.

It is a super-2 number, since 2×85889871969² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85889871894 and 85889871903.

It is not an unprimeable number, because it can be changed into a prime (85889871959) 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 31 ways as a sum of consecutive naturals, for example, 1860207 + ... + 1905819.

It is an arithmetic number, because the mean of its divisors is an integer number (3997975872).

Almost surely, 2^85889871969 is an apocalyptic number.

It is an amenable number.

85889871969 is a deficient number, since it is larger than the sum of its proper divisors (42045355935).

85889871969 is a wasteful number, since it uses less digits than its factorization.

85889871969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46997.

The product of its digits is 627056640, while the sum is 78.

The spelling of 85889871969 in words is "eighty-five billion, eight hundred eighty-nine million, eight hundred seventy-one thousand, nine hundred sixty-nine".