87666614 has 8 divisors (see below), whose sum is σ = 150285648. Its totient is φ = 37571400.

The previous prime is 87666587. The next prime is 87666617. The reversal of 87666614 is 41666678.

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 not an unprimeable number, because it can be changed into a prime (87666617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130937 + ... + 3130964.

It is an arithmetic number, because the mean of its divisors is an integer number (18785706).

Almost surely, 2^87666614 is an apocalyptic number.

87666614 is a deficient number, since it is larger than the sum of its proper divisors (62619034).

87666614 is a wasteful number, since it uses less digits than its factorization.

87666614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261910.

The product of its digits is 290304, while the sum is 44.

The square root of 87666614 is about 9363.0451243172. The cubic root of 87666614 is about 444.2336074195.

The spelling of 87666614 in words is "eighty-seven million, six hundred sixty-six thousand, six hundred fourteen".