8125835689 has 8 divisors (see below), whose sum is σ = 8330201792. Its totient is φ = 7922169360.

The previous prime is 8125835651. The next prime is 8125835693. The reversal of 8125835689 is 9865385218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8125835689 - 2⁷ = 8125835561 is a prime.

It is a super-2 number, since 2×8125835689² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8125835629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151389 + ... + 197914.

It is an arithmetic number, because the mean of its divisors is an integer number (1041275224).

Almost surely, 2^8125835689 is an apocalyptic number.

It is an amenable number.

8125835689 is a deficient number, since it is larger than the sum of its proper divisors (204366103).

8125835689 is a wasteful number, since it uses less digits than its factorization.

8125835689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349887.

The product of its digits is 4147200, while the sum is 55.

The square root of 8125835689 is about 90143.4173359320. The cubic root of 8125835689 is about 2010.4318015734.

The spelling of 8125835689 in words is "eight billion, one hundred twenty-five million, eight hundred thirty-five thousand, six hundred eighty-nine".