978813796 has 9 divisors (see below), whose sum is σ = 1713033651. Its totient is φ = 489375612.

The previous prime is 978813779. The next prime is 978813817. The reversal of 978813796 is 697318879.

The square root of 978813796 is 31286.

It is a perfect power (a square), and thus also a powerful number.

978813796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×978813796³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 978813796.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 54751 + ... + 70393.

Almost surely, 2^978813796 is an apocalyptic number.

978813796 is the 31286-th square number.

It is an amenable number.

978813796 is a deficient number, since it is larger than the sum of its proper divisors (734219855).

978813796 is an frugal number, since it uses more digits than its factorization.

978813796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31290 (or 15645 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 58.

The cubic root of 978813796 is about 992.8874637650.

The spelling of 978813796 in words is "nine hundred seventy-eight million, eight hundred thirteen thousand, seven hundred ninety-six".