85836705866 has 8 divisors (see below), whose sum is σ = 131749362624. Its totient is φ = 41920251660.

The previous prime is 85836705863. The next prime is 85836705887. The reversal of 85836705866 is 66850763858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 85836705799 and 85836705808.

It is not an unprimeable number, because it can be changed into a prime (85836705863) 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, 499050530 + ... + 499050701.

It is an arithmetic number, because the mean of its divisors is an integer number (16468670328).

Almost surely, 2^85836705866 is an apocalyptic number.

85836705866 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

85836705866 is a deficient number, since it is larger than the sum of its proper divisors (45912656758).

85836705866 is a wasteful number, since it uses less digits than its factorization.

85836705866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998101276.

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 85836705866 in words is "eighty-five billion, eight hundred thirty-six million, seven hundred five thousand, eight hundred sixty-six".