87223180 has 48 divisors (see below), whose sum is σ = 200874240. Its totient is φ = 31550400.

The previous prime is 87223163. The next prime is 87223183. The reversal of 87223180 is 8132278.

It is not an unprimeable number, because it can be changed into a prime (87223183) 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, 45481 + ... + 47359.

It is an arithmetic number, because the mean of its divisors is an integer number (4184880).

Almost surely, 2^87223180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87223180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100437120).

87223180 is an abundant number, since it is smaller than the sum of its proper divisors (113651060).

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

87223180 is a wasteful number, since it uses less digits than its factorization.

87223180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 87223180 is about 9339.3350941060. The cubic root of 87223180 is about 443.4833356517.

The spelling of 87223180 in words is "eighty-seven million, two hundred twenty-three thousand, one hundred eighty".