85871728654351 has 8 divisors (see below), whose sum is σ = 86006337117264. Its totient is φ = 85737122196480.

The previous prime is 85871728654337. The next prime is 85871728654379. The reversal of 85871728654351 is 15345682717858.

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 85871728654351 - 2²⁵ = 85871695099919 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 (85871428654351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101448165 + ... + 102291121.

It is an arithmetic number, because the mean of its divisors is an integer number (10750792139658).

Almost surely, 2^{85871728654351} is an apocalyptic number.

85871728654351 is a deficient number, since it is larger than the sum of its proper divisors (134608462913).

85871728654351 is a wasteful number, since it uses less digits than its factorization.

85871728654351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002521.

The product of its digits is 451584000, while the sum is 70.

The spelling of 85871728654351 in words is "eighty-five trillion, eight hundred seventy-one billion, seven hundred twenty-eight million, six hundred fifty-four thousand, three hundred fifty-one".