975666383 has 2 divisors, whose sum is σ = 975666384. Its totient is φ = 975666382.

The previous prime is 975666323. The next prime is 975666407. The reversal of 975666383 is 383666579.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-975666383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975666323) 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 as a sum of consecutive naturals, namely, 487833191 + 487833192.

It is an arithmetic number, because the mean of its divisors is an integer number (487833192).

Almost surely, 2^975666383 is an apocalyptic number.

975666383 is a deficient number, since it is larger than the sum of its proper divisors (1).

975666383 is an equidigital number, since it uses as much as digits as its factorization.

975666383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 53.

The square root of 975666383 is about 31235.6588372968. The cubic root of 975666383 is about 991.8220985689.

The spelling of 975666383 in words is "nine hundred seventy-five million, six hundred sixty-six thousand, three hundred eighty-three".