2085071857918 has 8 divisors (see below), whose sum is σ = 3574408899312. Its totient is φ = 893602224816.

The previous prime is 2085071857877. The next prime is 2085071857931. The reversal of 2085071857918 is 8197581705802.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74466852055 + ... + 74466852082.

It is an arithmetic number, because the mean of its divisors is an integer number (446801112414).

Almost surely, 2^{2085071857918} is an apocalyptic number.

2085071857918 is a deficient number, since it is larger than the sum of its proper divisors (1489337041394).

2085071857918 is a wasteful number, since it uses less digits than its factorization.

2085071857918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148933704146.

The product of its (nonzero) digits is 11289600, while the sum is 61.

The spelling of 2085071857918 in words is "two trillion, eighty-five billion, seventy-one million, eight hundred fifty-seven thousand, nine hundred eighteen".