978000017 has 8 divisors (see below), whose sum is σ = 999274752. Its totient is φ = 956744800.

The previous prime is 977999963. The next prime is 978000077. The reversal of 978000017 is 710000879.

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 978000017 - 2¹⁰ = 977998993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (978000077) by changing a digit.

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, 146717 + ... + 153237.

It is an arithmetic number, because the mean of its divisors is an integer number (124909344).

Almost surely, 2^978000017 is an apocalyptic number.

It is an amenable number.

978000017 is a deficient number, since it is larger than the sum of its proper divisors (21274735).

978000017 is a wasteful number, since it uses less digits than its factorization.

978000017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9759.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 978000017 is about 31272.9918140238. The cubic root of 978000017 is about 992.6122275579.

The spelling of 978000017 in words is "nine hundred seventy-eight million, seventeen", and thus it is an aban number.