872351161 has 16 divisors (see below), whose sum is σ = 1023068160. Its totient is φ = 735313680.

The previous prime is 872351159. The next prime is 872351173. The reversal of 872351161 is 161153278.

It is a happy number.

It is not a de Polignac number, because 872351161 - 2¹ = 872351159 is a prime.

It is a super-3 number, since 3×872351161³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872351111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34581 + ... + 54226.

It is an arithmetic number, because the mean of its divisors is an integer number (63941760).

Almost surely, 2^872351161 is an apocalyptic number.

It is an amenable number.

872351161 is a deficient number, since it is larger than the sum of its proper divisors (150716999).

872351161 is a wasteful number, since it uses less digits than its factorization.

872351161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88884.

The product of its digits is 10080, while the sum is 34.

The square root of 872351161 is about 29535.5914279704. The cubic root of 872351161 is about 955.4994640717.

The spelling of 872351161 in words is "eight hundred seventy-two million, three hundred fifty-one thousand, one hundred sixty-one".