87104442 has 32 divisors (see below), whose sum is σ = 178560000. Its totient is φ = 28314288.

The previous prime is 87104441. The next prime is 87104477. The reversal of 87104442 is 24440178.

It is a super-2 number, since 2×87104442² = 15174367632262728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87104441) 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, 140409 + ... + 141027.

It is an arithmetic number, because the mean of its divisors is an integer number (5580000).

Almost surely, 2^87104442 is an apocalyptic number.

87104442 is an abundant number, since it is smaller than the sum of its proper divisors (91455558).

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

87104442 is a wasteful number, since it uses less digits than its factorization.

87104442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 87104442 is about 9332.9760526854. The cubic root of 87104442 is about 443.2820044719.

The spelling of 87104442 in words is "eighty-seven million, one hundred four thousand, four hundred forty-two".