85782571726 has 8 divisors (see below), whose sum is σ = 128720809944. Its totient is φ = 42875635080.

The previous prime is 85782571711. The next prime is 85782571729. The reversal of 85782571726 is 62717528758.

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

It is a super-4 number, since 4×85782571726⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85782571729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7818540 + ... + 7829503.

It is an arithmetic number, because the mean of its divisors is an integer number (16090101243).

Almost surely, 2^85782571726 is an apocalyptic number.

85782571726 is a deficient number, since it is larger than the sum of its proper divisors (42938238218).

85782571726 is a wasteful number, since it uses less digits than its factorization.

85782571726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15650786.

The product of its digits is 13171200, while the sum is 58.

The spelling of 85782571726 in words is "eighty-five billion, seven hundred eighty-two million, five hundred seventy-one thousand, seven hundred twenty-six".