85858722943 has 8 divisors (see below), whose sum is σ = 98285914112. Its totient is φ = 73471946616.

The previous prime is 85858722899. The next prime is 85858722949. The reversal of 85858722943 is 34922785858.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85858722943 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 (85858722949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10099155 + ... + 10107652.

It is an arithmetic number, because the mean of its divisors is an integer number (12285739264).

Almost surely, 2^85858722943 is an apocalyptic number.

85858722943 is a deficient number, since it is larger than the sum of its proper divisors (12427191169).

85858722943 is a wasteful number, since it uses less digits than its factorization.

85858722943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20207421.

The product of its digits is 38707200, while the sum is 61.

The spelling of 85858722943 in words is "eighty-five billion, eight hundred fifty-eight million, seven hundred twenty-two thousand, nine hundred forty-three".