87198014 has 8 divisors (see below), whose sum is σ = 136483920. Its totient is φ = 41703376.

The previous prime is 87197969. The next prime is 87198029. The reversal of 87198014 is 41089178.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 947759 + ... + 947850.

It is an arithmetic number, because the mean of its divisors is an integer number (17060490).

Almost surely, 2^87198014 is an apocalyptic number.

87198014 is a deficient number, since it is larger than the sum of its proper divisors (49285906).

87198014 is a wasteful number, since it uses less digits than its factorization.

87198014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895634.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 87198014 is about 9337.9876847209. The cubic root of 87198014 is about 443.4406796545.

The spelling of 87198014 in words is "eighty-seven million, one hundred ninety-eight thousand, fourteen".