85884239412955 has 16 divisors (see below), whose sum is σ = 109157573696544. Its totient is φ = 64645590929920.

The previous prime is 85884239412941. The next prime is 85884239412973. The reversal of 85884239412955 is 55921493248858.

It is not a de Polignac number, because 85884239412955 - 2¹⁹ = 85884238888667 is a prime.

It is a super-2 number, since 2×85884239412955² (a number of 29 digits) contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 157455316 + ... + 157999825.

It is an arithmetic number, because the mean of its divisors is an integer number (6822348356034).

Almost surely, 2^{85884239412955} is an apocalyptic number.

85884239412955 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

85884239412955 is a deficient number, since it is larger than the sum of its proper divisors (23273334283589).

85884239412955 is a wasteful number, since it uses less digits than its factorization.

85884239412955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315458366.

The product of its digits is 995328000, while the sum is 73.

The spelling of 85884239412955 in words is "eighty-five trillion, eight hundred eighty-four billion, two hundred thirty-nine million, four hundred twelve thousand, nine hundred fifty-five".