85642605597 has 8 divisors (see below), whose sum is σ = 114243484320. Its totient is φ = 57068398640.

The previous prime is 85642605557. The next prime is 85642605611. The reversal of 85642605597 is 79550624658.

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 85642605597 - 2¹⁹ = 85642081309 is a prime.

It is a super-3 number, since 3×85642605597³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85642605527) 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, 6660447 + ... + 6673292.

It is an arithmetic number, because the mean of its divisors is an integer number (14280435540).

Almost surely, 2^85642605597 is an apocalyptic number.

It is an amenable number.

85642605597 is a deficient number, since it is larger than the sum of its proper divisors (28600878723).

85642605597 is a wasteful number, since it uses less digits than its factorization.

85642605597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13335883.

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 85642605597 in words is "eighty-five billion, six hundred forty-two million, six hundred five thousand, five hundred ninety-seven".