85789125469 has 4 divisors (see below), whose sum is σ = 85791402144. Its totient is φ = 85786848796.

The previous prime is 85789125421. The next prime is 85789125479. The reversal of 85789125469 is 96452198758.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85789125469 - 2¹³ = 85789117277 is a prime.

It is a super-2 number, since 2×85789125469² (a number of 23 digits) contains 22 as substring.

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 85789125469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85789125419) 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, 1080847 + ... + 1157500.

It is an arithmetic number, because the mean of its divisors is an integer number (21447850536).

Almost surely, 2^85789125469 is an apocalyptic number.

It is an amenable number.

85789125469 is a deficient number, since it is larger than the sum of its proper divisors (2276675).

85789125469 is a wasteful number, since it uses less digits than its factorization.

85789125469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276674.

The product of its digits is 43545600, while the sum is 64.

The spelling of 85789125469 in words is "eighty-five billion, seven hundred eighty-nine million, one hundred twenty-five thousand, four hundred sixty-nine".