85834447676861 has 8 divisors (see below), whose sum is σ = 92443846401144. Its totient is φ = 79226013081600.

The previous prime is 85834447676827. The next prime is 85834447676863. The reversal of 85834447676861 is 16867674443858.

It can be written as a sum of positive squares in 4 ways, for example, as 10710728925625 + 75123718751236 = 3272725^2 + 8667394^2 .

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-85834447676861 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 (85834447676863) 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, 240847340 + ... + 241203461.

It is an arithmetic number, because the mean of its divisors is an integer number (11555480800143).

Almost surely, 2^{85834447676861} is an apocalyptic number.

It is an amenable number.

85834447676861 is a deficient number, since it is larger than the sum of its proper divisors (6609398724283).

85834447676861 is a wasteful number, since it uses less digits than its factorization.

85834447676861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482064511.

The product of its digits is 5202247680, while the sum is 77.

The spelling of 85834447676861 in words is "eighty-five trillion, eight hundred thirty-four billion, four hundred forty-seven million, six hundred seventy-six thousand, eight hundred sixty-one".