85968058857 has 4 divisors (see below), whose sum is σ = 114624078480. Its totient is φ = 57312039236.

The previous prime is 85968058853. The next prime is 85968058871. The reversal of 85968058857 is 75885086958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85968058857 - 2² = 85968058853 is a prime.

It is a super-2 number, since 2×85968058857² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85968058791 and 85968058800.

It is not an unprimeable number, because it can be changed into a prime (85968058853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14328009807 + ... + 14328009812.

It is an arithmetic number, because the mean of its divisors is an integer number (28656019620).

Almost surely, 2^85968058857 is an apocalyptic number.

It is an amenable number.

85968058857 is a deficient number, since it is larger than the sum of its proper divisors (28656019623).

85968058857 is a wasteful number, since it uses less digits than its factorization.

85968058857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28656019622.

The product of its (nonzero) digits is 193536000, while the sum is 69.

The spelling of 85968058857 in words is "eighty-five billion, nine hundred sixty-eight million, fifty-eight thousand, eight hundred fifty-seven".