973978090 has 16 divisors (see below), whose sum is σ = 1754242272. Its totient is φ = 389350864.

The previous prime is 973978087. The next prime is 973978091. The reversal of 973978090 is 90879379.

It is not an unprimeable number, because it can be changed into a prime (973978091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12544 + ... + 45883.

It is an arithmetic number, because the mean of its divisors is an integer number (109640142).

Almost surely, 2^973978090 is an apocalyptic number.

973978090 is a deficient number, since it is larger than the sum of its proper divisors (780264182).

973978090 is a wasteful number, since it uses less digits than its factorization.

973978090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60101.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 973978090 is about 31208.6220458386. The cubic root of 973978090 is about 991.2496853245.

The spelling of 973978090 in words is "nine hundred seventy-three million, nine hundred seventy-eight thousand, ninety".