978712896 has 56 divisors (see below), whose sum is σ = 2959445440. Its totient is φ = 279631872.

The previous prime is 978712883. The next prime is 978712939. The reversal of 978712896 is 698217879.

978712896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362761 + ... + 365448.

It is an arithmetic number, because the mean of its divisors is an integer number (52847240).

Almost surely, 2^978712896 is an apocalyptic number.

978712896 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

978712896 is an abundant number, since it is smaller than the sum of its proper divisors (1980732544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

978712896 is a wasteful number, since it uses less digits than its factorization.

978712896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728231 (or 728221 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 57.

The square root of 978712896 is about 31284.3874160898. The cubic root of 978712896 is about 992.8533456695.

The spelling of 978712896 in words is "nine hundred seventy-eight million, seven hundred twelve thousand, eight hundred ninety-six".