85666760943 has 8 divisors (see below), whose sum is σ = 114820371456. Its totient is φ = 56812162200.

The previous prime is 85666760923. The next prime is 85666760947. The reversal of 85666760943 is 34906766658.

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

It is not a de Polignac number, because 85666760943 - 2²⁹ = 85129890031 is a prime.

It is a super-2 number, since 2×85666760943² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85666760947) 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, 74752273 + ... + 74753418.

It is an arithmetic number, because the mean of its divisors is an integer number (14352546432).

Almost surely, 2^85666760943 is an apocalyptic number.

85666760943 is a deficient number, since it is larger than the sum of its proper divisors (29153610513).

85666760943 is a wasteful number, since it uses less digits than its factorization.

85666760943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149505885.

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 85666760943 in words is "eighty-five billion, six hundred sixty-six million, seven hundred sixty thousand, nine hundred forty-three".