85968241957 has 16 divisors (see below), whose sum is σ = 95295578112. Its totient is φ = 77055269760.

The previous prime is 85968241951. The next prime is 85968241981. The reversal of 85968241957 is 75914286958.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85968241957 - 2¹¹ = 85968239909 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 (85968241951) 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 15 ways as a sum of consecutive naturals, for example, 476344 + ... + 631537.

It is an arithmetic number, because the mean of its divisors is an integer number (5955973632).

Almost surely, 2^85968241957 is an apocalyptic number.

It is an amenable number.

85968241957 is a deficient number, since it is larger than the sum of its proper divisors (9327336155).

85968241957 is a wasteful number, since it uses less digits than its factorization.

85968241957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108068.

The product of its digits is 43545600, while the sum is 64.

The spelling of 85968241957 in words is "eighty-five billion, nine hundred sixty-eight million, two hundred forty-one thousand, nine hundred fifty-seven".