87603666 has 8 divisors (see below), whose sum is σ = 175207344. Its totient is φ = 29201220.

The previous prime is 87603641. The next prime is 87603667. The reversal of 87603666 is 66630678.

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

87603666 is an admirable number.

It is a super-3 number, since 3×87603666³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (87603667) 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, 7300300 + ... + 7300311.

It is an arithmetic number, because the mean of its divisors is an integer number (21900918).

Almost surely, 2^87603666 is an apocalyptic number.

87603666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87603666 is a wasteful number, since it uses less digits than its factorization.

87603666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14600616.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 87603666 is about 9359.6830074528. The cubic root of 87603666 is about 444.1272563565.

The spelling of 87603666 in words is "eighty-seven million, six hundred three thousand, six hundred sixty-six".