975754766809 has 3 divisors (see below), whose sum is σ = 975755754613. Its totient is φ = 975753779006.

The previous prime is 975754766783. The next prime is 975754766827. The reversal of 975754766809 is 908667457579.

The square root of 975754766809 is 987803.

It is a perfect power (a square), and thus also a powerful number.

975754766809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 975754766809 - 2⁷ = 975754766681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (975754766869) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 493902 + ... + 1481704.

Almost surely, 2^975754766809 is an apocalyptic number.

975754766809 is the 987803-rd square number.

975754766809 is the 493902-nd centered octagonal number.

It is an amenable number.

975754766809 is a deficient number, since it is larger than the sum of its proper divisors (987804).

975754766809 is an frugal number, since it uses more digits than its factorization.

975754766809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975606 (or 987803 counting only the distinct ones).

The product of its (nonzero) digits is 800150400, while the sum is 73.

The spelling of 975754766809 in words is "nine hundred seventy-five billion, seven hundred fifty-four million, seven hundred sixty-six thousand, eight hundred nine".