978811330 has 16 divisors (see below), whose sum is σ = 2013554880. Its totient is φ = 335592432.

The previous prime is 978811303. The next prime is 978811373. The reversal of 978811330 is 33118879.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6991440 + ... + 6991579.

It is an arithmetic number, because the mean of its divisors is an integer number (125847180).

Almost surely, 2^978811330 is an apocalyptic number.

978811330 is an abundant number, since it is smaller than the sum of its proper divisors (1034743550).

978811330 is a wasteful number, since it uses less digits than its factorization.

978811330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13983033.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 978811330 is about 31285.9605893762. The cubic root of 978811330 is about 992.8866299454.

The spelling of 978811330 in words is "nine hundred seventy-eight million, eight hundred eleven thousand, three hundred thirty".