87912150 has 48 divisors (see below), whose sum is σ = 219469584. Its totient is φ = 23287680.

The previous prime is 87912133. The next prime is 87912157. The reversal of 87912150 is 5121978.

It is a super-2 number, since 2×87912150² = 15457092235245000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87912157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21684 + ... + 25416.

It is an arithmetic number, because the mean of its divisors is an integer number (4572283).

Almost surely, 2^87912150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87912150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109734792).

87912150 is an abundant number, since it is smaller than the sum of its proper divisors (131557434).

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

87912150 is a wasteful number, since it uses less digits than its factorization.

87912150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 87912150 is about 9376.1479297204. The cubic root of 87912150 is about 444.6479562187.

The spelling of 87912150 in words is "eighty-seven million, nine hundred twelve thousand, one hundred fifty".