7975971673 has 2 divisors, whose sum is σ = 7975971674. Its totient is φ = 7975971672.

The previous prime is 7975971631. The next prime is 7975971683. The reversal of 7975971673 is 3761795797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4391315289 + 3584656384 = 66267^2 + 59872^2 .

It is a cyclic number.

It is not a de Polignac number, because 7975971673 - 2²¹ = 7973874521 is a prime.

It is a super-2 number, since 2×7975971673² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7975971683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3987985836 + 3987985837.

It is an arithmetic number, because the mean of its divisors is an integer number (3987985837).

Almost surely, 2^7975971673 is an apocalyptic number.

It is an amenable number.

7975971673 is a deficient number, since it is larger than the sum of its proper divisors (1).

7975971673 is an equidigital number, since it uses as much as digits as its factorization.

7975971673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17503290, while the sum is 61.

The square root of 7975971673 is about 89308.2956561147. The cubic root of 7975971673 is about 1997.9956313409.

The spelling of 7975971673 in words is "seven billion, nine hundred seventy-five million, nine hundred seventy-one thousand, six hundred seventy-three".