85835499453858 has 64 divisors (see below), whose sum is σ = 214073538167808. Its totient is φ = 22290542953920.

The previous prime is 85835499453857. The next prime is 85835499453871.

85835499453858 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (85835499453853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15951760 + ... + 20642907.

It is an arithmetic number, because the mean of its divisors is an integer number (3344899033872).

Almost surely, 2^{85835499453858} is an apocalyptic number.

85835499453858 is an abundant number, since it is smaller than the sum of its proper divisors (128238038713950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85835499453858 is a wasteful number, since it uses less digits than its factorization.

85835499453858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36599767.

The product of its digits is 29859840000, while the sum is 84.

The spelling of 85835499453858 in words is "eighty-five trillion, eight hundred thirty-five billion, four hundred ninety-nine million, four hundred fifty-three thousand, eight hundred fifty-eight".