973599663 has 8 divisors (see below), whose sum is σ = 1310042800. Its totient is φ = 643111488.

The previous prime is 973599661. The next prime is 973599667. The reversal of 973599663 is 366995379.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 973599663 - 2¹ = 973599661 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 (973599661) 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 7 ways as a sum of consecutive naturals, for example, 1488358 + ... + 1489011.

It is an arithmetic number, because the mean of its divisors is an integer number (163755350).

Almost surely, 2^973599663 is an apocalyptic number.

973599663 is a deficient number, since it is larger than the sum of its proper divisors (336443137).

973599663 is a wasteful number, since it uses less digits than its factorization.

973599663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977481.

The product of its digits is 8266860, while the sum is 57.

The square root of 973599663 is about 31202.5585970125. The cubic root of 973599663 is about 991.1212894734.

The spelling of 973599663 in words is "nine hundred seventy-three million, five hundred ninety-nine thousand, six hundred sixty-three".