87998182 has 8 divisors (see below), whose sum is σ = 132076656. Its totient is φ = 43972632.

The previous prime is 87998149. The next prime is 87998189. The reversal of 87998182 is 28189978.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87998189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8773 + ... + 15904.

It is an arithmetic number, because the mean of its divisors is an integer number (16509582).

Almost surely, 2^87998182 is an apocalyptic number.

87998182 is a deficient number, since it is larger than the sum of its proper divisors (44078474).

87998182 is a wasteful number, since it uses less digits than its factorization.

87998182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26462.

The product of its digits is 580608, while the sum is 52.

The square root of 87998182 is about 9380.7346194208. The cubic root of 87998182 is about 444.7929550656.

The spelling of 87998182 in words is "eighty-seven million, nine hundred ninety-eight thousand, one hundred eighty-two".