85669507 has 8 divisors (see below), whose sum is σ = 106808832. Its totient is φ = 66755400.

The previous prime is 85669471. The next prime is 85669517. The reversal of 85669507 is 70596658.

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 85669507 - 2¹¹ = 85667459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85669517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556219 + ... + 556372.

It is an arithmetic number, because the mean of its divisors is an integer number (13351104).

Almost surely, 2^85669507 is an apocalyptic number.

85669507 is a deficient number, since it is larger than the sum of its proper divisors (21139325).

85669507 is a wasteful number, since it uses less digits than its factorization.

85669507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112609.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 85669507 is about 9255.7823548310. The cubic root of 85669507 is about 440.8343449134.

The spelling of 85669507 in words is "eighty-five million, six hundred sixty-nine thousand, five hundred seven".