853801872195 has 64 divisors (see below), whose sum is σ = 1390674355200. Its totient is φ = 447251950080.

The previous prime is 853801872169. The next prime is 853801872223. The reversal of 853801872195 is 591278108358.

853801872195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 924014²-1.

It is not a de Polignac number, because 853801872195 - 2⁷ = 853801872067 is a prime.

It is a super-2 number, since 2×853801872195² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95169060 + ... + 95178030.

It is an arithmetic number, because the mean of its divisors is an integer number (21729286800).

Almost surely, 2^853801872195 is an apocalyptic number.

853801872195 is a deficient number, since it is larger than the sum of its proper divisors (536872483005).

853801872195 is a wasteful number, since it uses less digits than its factorization.

853801872195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9580.

The product of its (nonzero) digits is 4838400, while the sum is 57.

The spelling of 853801872195 in words is "eight hundred fifty-three billion, eight hundred one million, eight hundred seventy-two thousand, one hundred ninety-five".