978100912 has 20 divisors (see below), whose sum is σ = 1898490096. Its totient is φ = 488168000.

The previous prime is 978100891. The next prime is 978100931. The reversal of 978100912 is 219001879.

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 3 ways as a sum of consecutive naturals, for example, 45964 + ... + 63787.

Almost surely, 2^978100912 is an apocalyptic number.

It is an amenable number.

978100912 is a deficient number, since it is larger than the sum of its proper divisors (920389184).

978100912 is a wasteful number, since it uses less digits than its factorization.

978100912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110316 (or 110310 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 978100912 is about 31274.6049055779. The cubic root of 978100912 is about 992.6463605385.

The spelling of 978100912 in words is "nine hundred seventy-eight million, one hundred thousand, nine hundred twelve".