87450198 has 32 divisors (see below), whose sum is σ = 200845440. Its totient is φ = 25104960.

The previous prime is 87450197. The next prime is 87450199. The reversal of 87450198 is 89105478.

It is an interprime number because it is at equal distance from previous prime (87450197) and next prime (87450199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87450191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33615 + ... + 36122.

It is an arithmetic number, because the mean of its divisors is an integer number (6276420).

Almost surely, 2^87450198 is an apocalyptic number.

87450198 is an abundant number, since it is smaller than the sum of its proper divisors (113395242).

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

87450198 is a wasteful number, since it uses less digits than its factorization.

87450198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69772.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 87450198 is about 9351.4810591692. The cubic root of 87450198 is about 443.8677574672.

The spelling of 87450198 in words is "eighty-seven million, four hundred fifty thousand, one hundred ninety-eight".