975622871 has 2 divisors, whose sum is σ = 975622872. Its totient is φ = 975622870.

The previous prime is 975622867. The next prime is 975622873. The reversal of 975622871 is 178226579.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (178226579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 975622871 - 2² = 975622867 is a prime.

It is a Sophie Germain prime.

Together with 975622873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975622873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487811435 + 487811436.

It is an arithmetic number, because the mean of its divisors is an integer number (487811436).

Almost surely, 2^975622871 is an apocalyptic number.

975622871 is a deficient number, since it is larger than the sum of its proper divisors (1).

975622871 is an equidigital number, since it uses as much as digits as its factorization.

975622871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 975622871 is about 31234.9623178899. The cubic root of 975622871 is about 991.8073541831.

The spelling of 975622871 in words is "nine hundred seventy-five million, six hundred twenty-two thousand, eight hundred seventy-one".