87110442 has 12 divisors (see below), whose sum is σ = 188739330. Its totient is φ = 29036808.

The previous prime is 87110417. The next prime is 87110449. The reversal of 87110442 is 24401178.

It can be written as a sum of positive squares in only one way, i.e., 78694641 + 8415801 = 8871^2 + 2901^2 .

It is not an unprimeable number, because it can be changed into a prime (87110449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2419717 + ... + 2419752.

Almost surely, 2^87110442 is an apocalyptic number.

87110442 is an abundant number, since it is smaller than the sum of its proper divisors (101628888).

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

87110442 is a wasteful number, since it uses less digits than its factorization.

87110442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839477 (or 4839474 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 87110442 is about 9333.2974880264. The cubic root of 87110442 is about 443.2921824104.

The spelling of 87110442 in words is "eighty-seven million, one hundred ten thousand, four hundred forty-two".