978960976 has 40 divisors (see below), whose sum is σ = 2187984960. Its totient is φ = 415628544.

The previous prime is 978960971. The next prime is 978961003. The reversal of 978960976 is 679069879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978960971) 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, 28861 + ... + 52828.

It is an arithmetic number, because the mean of its divisors is an integer number (54699624).

Almost surely, 2^978960976 is an apocalyptic number.

It is an amenable number.

978960976 is an abundant number, since it is smaller than the sum of its proper divisors (1209023984).

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

978960976 is a wasteful number, since it uses less digits than its factorization.

978960976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81811 (or 81805 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 61.

The square root of 978960976 is about 31288.3520818850. The cubic root of 978960976 is about 992.9372266698.

The spelling of 978960976 in words is "nine hundred seventy-eight million, nine hundred sixty thousand, nine hundred seventy-six".