85872288503181 has 16 divisors (see below), whose sum is σ = 114591800600000. Its totient is φ = 57200487372288.

The previous prime is 85872288503179. The next prime is 85872288503201. The reversal of 85872288503181 is 18130588227858.

It is not a de Polignac number, because 85872288503181 - 2¹ = 85872288503179 is a prime.

It is a super-2 number, since 2×85872288503181² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85872288503081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119384310 + ... + 120101448.

It is an arithmetic number, because the mean of its divisors is an integer number (7161987537500).

Almost surely, 2^{85872288503181} is an apocalyptic number.

It is an amenable number.

85872288503181 is a deficient number, since it is larger than the sum of its proper divisors (28719512096819).

85872288503181 is a wasteful number, since it uses less digits than its factorization.

85872288503181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750348.

The product of its (nonzero) digits is 68812800, while the sum is 66.

The spelling of 85872288503181 in words is "eighty-five trillion, eight hundred seventy-two billion, two hundred eighty-eight million, five hundred three thousand, one hundred eighty-one".