7700001973 has 2 divisors, whose sum is σ = 7700001974. Its totient is φ = 7700001972.

The previous prime is 7700001937. The next prime is 7700001979. The reversal of 7700001973 is 3791000077.

Together with previous prime (7700001937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7406667844 + 293334129 = 86062^2 + 17127^2 .

It is an emirp because it is prime and its reverse (3791000077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7700001973 - 2⁹ = 7700001461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7700001979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3850000986 + 3850000987.

It is an arithmetic number, because the mean of its divisors is an integer number (3850000987).

Almost surely, 2^7700001973 is an apocalyptic number.

It is an amenable number.

7700001973 is a deficient number, since it is larger than the sum of its proper divisors (1).

7700001973 is an equidigital number, since it uses as much as digits as its factorization.

7700001973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9261, while the sum is 34.

The square root of 7700001973 is about 87749.6551161314. The cubic root of 7700001973 is about 1974.6809908723.

The spelling of 7700001973 in words is "seven billion, seven hundred million, one thousand, nine hundred seventy-three".