172082085835 has 16 divisors (see below), whose sum is σ = 225324817632. Its totient is φ = 125120761600.

The previous prime is 172082085817. The next prime is 172082085871. The reversal of 172082085835 is 538580280271.

It is not a de Polignac number, because 172082085835 - 2¹⁵ = 172082053067 is a prime.

It is a super-2 number, since 2×172082085835² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 139036 + ... + 602905.

It is an arithmetic number, because the mean of its divisors is an integer number (14082801102).

Almost surely, 2^172082085835 is an apocalyptic number.

172082085835 is a deficient number, since it is larger than the sum of its proper divisors (53242731797).

172082085835 is a wasteful number, since it uses less digits than its factorization.

172082085835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746174.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 172082085835 in words is "one hundred seventy-two billion, eighty-two million, eighty-five thousand, eight hundred thirty-five".