973605978 has 12 divisors (see below), whose sum is σ = 2109479658. Its totient is φ = 324535320.

The previous prime is 973605953. The next prime is 973605979. The reversal of 973605978 is 879506379.

It can be written as a sum of positive squares in only one way, i.e., 945378009 + 28227969 = 30747^2 + 5313^2 .

It is a super-3 number, since 3×973605978³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (973605979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27044593 + ... + 27044628.

Almost surely, 2^973605978 is an apocalyptic number.

973605978 is an abundant number, since it is smaller than the sum of its proper divisors (1135873680).

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

973605978 is a wasteful number, since it uses less digits than its factorization.

973605978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54089229 (or 54089226 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 973605978 is about 31202.6597904730. The cubic root of 973605978 is about 991.1234323519.

The spelling of 973605978 in words is "nine hundred seventy-three million, six hundred five thousand, nine hundred seventy-eight".