85943329893 has 6 divisors (see below), whose sum is σ = 124140365414. Its totient is φ = 57295553256.

The previous prime is 85943329861. The next prime is 85943329909. The reversal of 85943329893 is 39892334958.

85943329893 is a `hidden beast` number, since 8 + 594 + 3 + 32 + 9 + 8 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57745531809 + 28197798084 = 240303^2 + 167922^2 .

It is not a de Polignac number, because 85943329893 - 2⁵ = 85943329861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85943329893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85943329853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4774629430 + ... + 4774629447.

Almost surely, 2^85943329893 is an apocalyptic number.

It is an amenable number.

85943329893 is a deficient number, since it is larger than the sum of its proper divisors (38197035521).

85943329893 is a wasteful number, since it uses less digits than its factorization.

85943329893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9549258883 (or 9549258880 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 85943329893 in words is "eighty-five billion, nine hundred forty-three million, three hundred twenty-nine thousand, eight hundred ninety-three".