87199060 has 24 divisors (see below), whose sum is σ = 197204616. Its totient is φ = 32196480.

The previous prime is 87199051. The next prime is 87199061. The reversal of 87199060 is 6099178.

It can be written as a sum of positive squares in 4 ways, for example, as 5982916 + 81216144 = 2446^2 + 9012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87199061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167431 + ... + 167950.

It is an arithmetic number, because the mean of its divisors is an integer number (8216859).

Almost surely, 2^87199060 is an apocalyptic number.

It is an amenable number.

87199060 is an abundant number, since it is smaller than the sum of its proper divisors (110005556).

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

87199060 is a wasteful number, since it uses less digits than its factorization.

87199060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335403 (or 335401 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 87199060 is about 9338.0436923373. The cubic root of 87199060 is about 443.4424527725.

The spelling of 87199060 in words is "eighty-seven million, one hundred ninety-nine thousand, sixty".