978085001 has 8 divisors (see below), whose sum is σ = 1012226880. Its totient is φ = 943970832.

The previous prime is 978084979. The next prime is 978085007. The reversal of 978085001 is 100580879.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-978085001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (978085007) 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, 86396 + ... + 97058.

It is an arithmetic number, because the mean of its divisors is an integer number (126528360).

Almost surely, 2^978085001 is an apocalyptic number.

It is an amenable number.

978085001 is a deficient number, since it is larger than the sum of its proper divisors (34141879).

978085001 is a wasteful number, since it uses less digits than its factorization.

978085001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13855.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 978085001 is about 31274.3505288279. The cubic root of 978085001 is about 992.6409779712.

The spelling of 978085001 in words is "nine hundred seventy-eight million, eighty-five thousand, one".