87806250 has 144 divisors (see below), whose sum is σ = 272982528. Its totient is φ = 19980000.

The previous prime is 87806231. The next prime is 87806261. The reversal of 87806250 is 5260878.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 393639 + ... + 393861.

It is an arithmetic number, because the mean of its divisors is an integer number (1895712).

Almost surely, 2^87806250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87806250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136491264).

87806250 is an abundant number, since it is smaller than the sum of its proper divisors (185176278).

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

87806250 is a wasteful number, since it uses less digits than its factorization.

87806250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 87806250 is about 9370.4989194813. The cubic root of 87806250 is about 444.4693417765.

The spelling of 87806250 in words is "eighty-seven million, eight hundred six thousand, two hundred fifty".