85837036861643 has 8 divisors (see below), whose sum is σ = 89569701842688. Its totient is φ = 82104423538984.

The previous prime is 85837036861621. The next prime is 85837036861759. The reversal of 85837036861643 is 34616863073858.

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

It is a cyclic number.

It is not a de Polignac number, because 85837036861643 - 2⁶ = 85837036861579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85837036861603) 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, 9499871 + ... + 16183992.

It is an arithmetic number, because the mean of its divisors is an integer number (11196212730336).

Almost surely, 2^{85837036861643} is an apocalyptic number.

85837036861643 is a deficient number, since it is larger than the sum of its proper divisors (3732664981045).

85837036861643 is a wasteful number, since it uses less digits than its factorization.

85837036861643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25829193.

The product of its (nonzero) digits is 418037760, while the sum is 68.

The spelling of 85837036861643 in words is "eighty-five trillion, eight hundred thirty-seven billion, thirty-six million, eight hundred sixty-one thousand, six hundred forty-three".