975385329668 has 6 divisors (see below), whose sum is σ = 1706924326926. Its totient is φ = 487692664832.

The previous prime is 975385329647. The next prime is 975385329671. The reversal of 975385329668 is 866923583579.

It can be written as a sum of positive squares in only one way, i.e., 946188089284 + 29197240384 = 972722^2 + 170872^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121923166205 + ... + 121923166212.

It is an arithmetic number, because the mean of its divisors is an integer number (284487387821).

Almost surely, 2^975385329668 is an apocalyptic number.

It is an amenable number.

975385329668 is a deficient number, since it is larger than the sum of its proper divisors (731538997258).

975385329668 is a wasteful number, since it uses less digits than its factorization.

975385329668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243846332421 (or 243846332419 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 71.

The spelling of 975385329668 in words is "nine hundred seventy-five billion, three hundred eighty-five million, three hundred twenty-nine thousand, six hundred sixty-eight".