195120086835 has 16 divisors (see below), whose sum is σ = 312236546976. Its totient is φ = 104049243648.

The previous prime is 195120086809. The next prime is 195120086879. The reversal of 195120086835 is 538680021591.

It is a happy number.

It is not a de Polignac number, because 195120086835 - 2⁵ = 195120086803 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815784 + ... + 1027493.

It is an arithmetic number, because the mean of its divisors is an integer number (19514784186).

Almost surely, 2^195120086835 is an apocalyptic number.

195120086835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195120086835 is a deficient number, since it is larger than the sum of its proper divisors (117116460141).

195120086835 is a wasteful number, since it uses less digits than its factorization.

195120086835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850342.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 195120086835 in words is "one hundred ninety-five billion, one hundred twenty million, eighty-six thousand, eight hundred thirty-five".