975717170789 has 2 divisors, whose sum is σ = 975717170790. Its totient is φ = 975717170788.

The previous prime is 975717170783. The next prime is 975717170803. The reversal of 975717170789 is 987071717579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 965143161889 + 10574008900 = 982417^2 + 102830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-975717170789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975717170783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487858585394 + 487858585395.

It is an arithmetic number, because the mean of its divisors is an integer number (487858585395).

Almost surely, 2^975717170789 is an apocalyptic number.

It is an amenable number.

975717170789 is a deficient number, since it is larger than the sum of its proper divisors (1).

975717170789 is an equidigital number, since it uses as much as digits as its factorization.

975717170789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54454680, while the sum is 68.

The spelling of 975717170789 in words is "nine hundred seventy-five billion, seven hundred seventeen million, one hundred seventy thousand, seven hundred eighty-nine".