85726109 has 8 divisors (see below), whose sum is σ = 98149440. Its totient is φ = 73346976.

The previous prime is 85726103. The next prime is 85726127. The reversal of 85726109 is 90162758.

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 85726109 - 2⁴ = 85726093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85726103) 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, 6779 + ... + 14744.

It is an arithmetic number, because the mean of its divisors is an integer number (12268680).

Almost surely, 2^85726109 is an apocalyptic number.

It is an amenable number.

85726109 is a deficient number, since it is larger than the sum of its proper divisors (12423331).

85726109 is a wasteful number, since it uses less digits than its factorization.

85726109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22099.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 85726109 is about 9258.8395061152. The cubic root of 85726109 is about 440.9314102255.

The spelling of 85726109 in words is "eighty-five million, seven hundred twenty-six thousand, one hundred nine".