104566987 has 8 divisors (see below), whose sum is σ = 119670272. Its totient is φ = 89505000.

The previous prime is 104566981. The next prime is 104566997. The reversal of 104566987 is 789665401.

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

It is a cyclic number.

It is not a de Polignac number, because 104566987 - 2¹¹ = 104564939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104566981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4689 + ... + 15202.

It is an arithmetic number, because the mean of its divisors is an integer number (14958784).

Almost surely, 2^104566987 is an apocalyptic number.

104566987 is a deficient number, since it is larger than the sum of its proper divisors (15103285).

104566987 is an equidigital number, since it uses as much as digits as its factorization.

104566987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20649.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 104566987 is about 10225.8000664985. The cubic root of 104566987 is about 471.1199893237.

The spelling of 104566987 in words is "one hundred four million, five hundred sixty-six thousand, nine hundred eighty-seven".