87190163 has 8 divisors (see below), whose sum is σ = 88024320. Its totient is φ = 86360320.

The previous prime is 87190151. The next prime is 87190177. The reversal of 87190163 is 36109178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87190163 - 2¹⁶ = 87124627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87190133) 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 7 ways as a sum of consecutive naturals, for example, 50531 + ... + 52227.

It is an arithmetic number, because the mean of its divisors is an integer number (11003040).

Almost surely, 2^87190163 is an apocalyptic number.

87190163 is a deficient number, since it is larger than the sum of its proper divisors (834157).

87190163 is a wasteful number, since it uses less digits than its factorization.

87190163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 87190163 is about 9337.5672956076. The cubic root of 87190163 is about 443.4273706462.

The spelling of 87190163 in words is "eighty-seven million, one hundred ninety thousand, one hundred sixty-three".