975226227691 has 2 divisors, whose sum is σ = 975226227692. Its totient is φ = 975226227690.

The previous prime is 975226227649. The next prime is 975226227697. The reversal of 975226227691 is 196722622579.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 975226227691 - 2¹⁷ = 975226096619 is a prime.

It is not a weakly prime, because it can be changed into another prime (975226227697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487613113845 + 487613113846.

It is an arithmetic number, because the mean of its divisors is an integer number (487613113846).

Almost surely, 2^975226227691 is an apocalyptic number.

975226227691 is a deficient number, since it is larger than the sum of its proper divisors (1).

975226227691 is an equidigital number, since it uses as much as digits as its factorization.

975226227691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 58.

The spelling of 975226227691 in words is "nine hundred seventy-five billion, two hundred twenty-six million, two hundred twenty-seven thousand, six hundred ninety-one".