872112858 has 16 divisors (see below), whose sum is σ = 1745374656. Its totient is φ = 290512800.

The previous prime is 872112851. The next prime is 872112877. The reversal of 872112858 is 858211278.

It is not an unprimeable number, because it can be changed into a prime (872112851) 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 7 ways as a sum of consecutive naturals, for example, 37843 + ... + 56358.

It is an arithmetic number, because the mean of its divisors is an integer number (109085916).

Almost surely, 2^872112858 is an apocalyptic number.

872112858 is an abundant number, since it is smaller than the sum of its proper divisors (873261798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872112858 is a wasteful number, since it uses less digits than its factorization.

872112858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95749.

The product of its digits is 71680, while the sum is 42.

The square root of 872112858 is about 29531.5569857060. The cubic root of 872112858 is about 955.4124505173.

The spelling of 872112858 in words is "eight hundred seventy-two million, one hundred twelve thousand, eight hundred fifty-eight".