978304061 has 12 divisors (see below), whose sum is σ = 1140888060. Its totient is φ = 836438400.

The previous prime is 978304021. The next prime is 978304081. The reversal of 978304061 is 160403879.

It can be written as a sum of positive squares in 2 ways, for example, as 664659961 + 313644100 = 25781^2 + 17710^2 .

It is not a de Polignac number, because 978304061 - 2¹⁸ = 978041917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978304001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5246 + ... + 44543.

It is an arithmetic number, because the mean of its divisors is an integer number (95074005).

Almost surely, 2^978304061 is an apocalyptic number.

It is an amenable number.

978304061 is a deficient number, since it is larger than the sum of its proper divisors (162583999).

978304061 is a wasteful number, since it uses less digits than its factorization.

978304061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50204 (or 50197 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 978304061 is about 31277.8525637551. The cubic root of 978304061 is about 992.7150791317.

The spelling of 978304061 in words is "nine hundred seventy-eight million, three hundred four thousand, sixty-one".