85597826819 has 8 divisors (see below), whose sum is σ = 85674516480. Its totient is φ = 85521169800.

The previous prime is 85597826773. The next prime is 85597826833. The reversal of 85597826819 is 91862879558.

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 85597826819 - 2⁸ = 85597826563 is a prime.

It is a super-3 number, since 3×85597826819³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85597826849) 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 7 ways as a sum of consecutive naturals, for example, 10148534 + ... + 10156964.

It is an arithmetic number, because the mean of its divisors is an integer number (10709314560).

Almost surely, 2^85597826819 is an apocalyptic number.

85597826819 is a deficient number, since it is larger than the sum of its proper divisors (76689661).

85597826819 is a wasteful number, since it uses less digits than its factorization.

85597826819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16321.

The product of its digits is 87091200, while the sum is 68.

The spelling of 85597826819 in words is "eighty-five billion, five hundred ninety-seven million, eight hundred twenty-six thousand, eight hundred nineteen".