85639317001 has 8 divisors (see below), whose sum is σ = 97876998464. Its totient is φ = 73402508880.

The previous prime is 85639316999. The next prime is 85639317031. The reversal of 85639317001 is 10071393658.

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 85639317001 - 2¹ = 85639316999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85639317031) 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, 7351 + ... + 413923.

It is an arithmetic number, because the mean of its divisors is an integer number (12234624808).

Almost surely, 2^85639317001 is an apocalyptic number.

It is an amenable number.

85639317001 is a deficient number, since it is larger than the sum of its proper divisors (12237681463).

85639317001 is a wasteful number, since it uses less digits than its factorization.

85639317001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436671.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 85639317001 in words is "eighty-five billion, six hundred thirty-nine million, three hundred seventeen thousand, one".