85813812453635 has 8 divisors (see below), whose sum is σ = 117687514222176. Its totient is φ = 58843757111040.

The previous prime is 85813812453563. The next prime is 85813812453637. The reversal of 85813812453635 is 53635421831858.

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

It is not a de Polignac number, because 85813812453635 - 2¹⁰ = 85813812452611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85813812453637) 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, 1225911606446 + ... + 1225911606515.

It is an arithmetic number, because the mean of its divisors is an integer number (14710939277772).

Almost surely, 2^{85813812453635} is an apocalyptic number.

85813812453635 is a deficient number, since it is larger than the sum of its proper divisors (31873701768541).

85813812453635 is a wasteful number, since it uses less digits than its factorization.

85813812453635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451823212973.

The product of its digits is 82944000, while the sum is 62.

The spelling of 85813812453635 in words is "eighty-five trillion, eight hundred thirteen billion, eight hundred twelve million, four hundred fifty-three thousand, six hundred thirty-five".