104978665 has 8 divisors (see below), whose sum is σ = 137426688. Its totient is φ = 76348080.

The previous prime is 104978639. The next prime is 104978681. The reversal of 104978665 is 566879401.

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

It is not a de Polignac number, because 104978665 - 2⁵ = 104978633 is a prime.

It is a super-2 number, since 2×104978665² = 22041040210364450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954297 + ... + 954406.

It is an arithmetic number, because the mean of its divisors is an integer number (17178336).

Almost surely, 2^104978665 is an apocalyptic number.

It is an amenable number.

104978665 is a deficient number, since it is larger than the sum of its proper divisors (32448023).

104978665 is a wasteful number, since it uses less digits than its factorization.

104978665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908719.

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

The square root of 104978665 is about 10245.9096716690. The cubic root of 104978665 is about 471.7374428510.

The spelling of 104978665 in words is "one hundred four million, nine hundred seventy-eight thousand, six hundred sixty-five".