85840326641851 has 8 divisors (see below), whose sum is σ = 86159127328560. Its totient is φ = 85522029194208.

The previous prime is 85840326641777. The next prime is 85840326641857. The reversal of 85840326641851 is 15814662304858.

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 85840326641851 - 2⁷ = 85840326641723 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 85840326641851.

It is not an unprimeable number, because it can be changed into a prime (85840326641857) 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, 125467981 + ... + 126150286.

It is an arithmetic number, because the mean of its divisors is an integer number (10769890916070).

Almost surely, 2^{85840326641851} is an apocalyptic number.

85840326641851 is a deficient number, since it is larger than the sum of its proper divisors (318800686709).

85840326641851 is a wasteful number, since it uses less digits than its factorization.

85840326641851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251619533.

The product of its (nonzero) digits is 44236800, while the sum is 61.

The spelling of 85840326641851 in words is "eighty-five trillion, eight hundred forty billion, three hundred twenty-six million, six hundred forty-one thousand, eight hundred fifty-one".