978000196 has 24 divisors (see below), whose sum is σ = 1729944216. Its totient is φ = 483759360.

The previous prime is 978000193. The next prime is 978000209. The reversal of 978000196 is 691000879.

It can be written as a sum of positive squares in 4 ways, for example, as 562500 + 977437696 = 750^2 + 31264^2 .

It is not an unprimeable number, because it can be changed into a prime (978000193) 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, 139200 + ... + 146056.

It is an arithmetic number, because the mean of its divisors is an integer number (72081009).

Almost surely, 2^978000196 is an apocalyptic number.

It is an amenable number.

978000196 is a deficient number, since it is larger than the sum of its proper divisors (751944020).

978000196 is a wasteful number, since it uses less digits than its factorization.

With its successor (978000197) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (7239).

978000196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239 (or 7237 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 978000196 is about 31272.9946759181. The cubic root of 978000196 is about 992.6122881160.

The spelling of 978000196 in words is "nine hundred seventy-eight million, one hundred ninety-six", and thus it is an aban number.