987179666 has 8 divisors (see below), whose sum is σ = 1615384944. Its totient is φ = 448718020.

The previous prime is 987179651. The next prime is 987179719. The reversal of 987179666 is 666971789.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22435880 + ... + 22435923.

It is an arithmetic number, because the mean of its divisors is an integer number (201923118).

Almost surely, 2^987179666 is an apocalyptic number.

987179666 is a deficient number, since it is larger than the sum of its proper divisors (628205278).

987179666 is a wasteful number, since it uses less digits than its factorization.

987179666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44871816.

The product of its digits is 6858432, while the sum is 59.

The square root of 987179666 is about 31419.4154305900. The cubic root of 987179666 is about 995.7081618100.

The spelling of 987179666 in words is "nine hundred eighty-seven million, one hundred seventy-nine thousand, six hundred sixty-six".