85813836447463 has 8 divisors (see below), whose sum is σ = 89544972829536. Its totient is φ = 82082708400000.

The previous prime is 85813836447431. The next prime is 85813836447467. The reversal of 85813836447463 is 36474463831858.

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 85813836447463 - 2⁵ = 85813836447431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85813836447392 and 85813836447401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85813836447467) 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, 28519963 + ... + 31384963.

It is an arithmetic number, because the mean of its divisors is an integer number (11193121603692).

Almost surely, 2^{85813836447463} is an apocalyptic number.

85813836447463 is a deficient number, since it is larger than the sum of its proper divisors (3731136382073).

85813836447463 is a wasteful number, since it uses less digits than its factorization.

85813836447463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167305.

The product of its digits is 1114767360, while the sum is 70.

The spelling of 85813836447463 in words is "eighty-five trillion, eight hundred thirteen billion, eight hundred thirty-six million, four hundred forty-seven thousand, four hundred sixty-three".