87500250 has 160 divisors (see below), whose sum is σ = 254826000. Its totient is φ = 22377600.

The previous prime is 87500249. The next prime is 87500267. The reversal of 87500250 is 5200578.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 59049 + 87441201 = 243^2 + 9351^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 587176 + ... + 587324.

Almost surely, 2^87500250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87500250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127413000).

87500250 is an abundant number, since it is smaller than the sum of its proper divisors (167325750).

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

87500250 is a wasteful number, since it uses less digits than its factorization.

87500250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 87500250 is about 9354.1568299874. The cubic root of 87500250 is about 443.9524236823.

The spelling of 87500250 in words is "eighty-seven million, five hundred thousand, two hundred fifty".