87225580 has 48 divisors (see below), whose sum is σ = 207658080. Its totient is φ = 30509568.

The previous prime is 87225563. The next prime is 87225581. The reversal of 87225580 is 8552278.

It is not an unprimeable number, because it can be changed into a prime (87225581) 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, 3889 + ... + 13768.

It is an arithmetic number, because the mean of its divisors is an integer number (4326210).

Almost surely, 2^87225580 is an apocalyptic number.

It is an amenable number.

87225580 is an abundant number, since it is smaller than the sum of its proper divisors (120432500).

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

87225580 is a wasteful number, since it uses less digits than its factorization.

87225580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17698 (or 17696 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 87225580 is about 9339.4635820265. The cubic root of 87225580 is about 443.4874031876.

The spelling of 87225580 in words is "eighty-seven million, two hundred twenty-five thousand, five hundred eighty".