87110142 has 96 divisors (see below), whose sum is σ = 222354720. Its totient is φ = 22579200.

The previous prime is 87110083. The next prime is 87110161. The reversal of 87110142 is 24101178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144642 + ... + 145242.

It is an arithmetic number, because the mean of its divisors is an integer number (2316195).

Almost surely, 2^87110142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87110142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111177360).

87110142 is an abundant number, since it is smaller than the sum of its proper divisors (135244578).

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

87110142 is a wasteful number, since it uses less digits than its factorization.

87110142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 87110142 is about 9333.2814165223. The cubic root of 87110142 is about 443.2916735246.

The spelling of 87110142 in words is "eighty-seven million, one hundred ten thousand, one hundred forty-two".