7757121341 has 2 divisors, whose sum is σ = 7757121342. Its totient is φ = 7757121340.

The previous prime is 7757121329. The next prime is 7757121343. The reversal of 7757121341 is 1431217577.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7747696441 + 9424900 = 88021^2 + 3070^2 .

It is an emirp because it is prime and its reverse (1431217577) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7757121341 - 2¹⁸ = 7756859197 is a prime.

Together with 7757121343, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7757121295 and 7757121304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7757121343) 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, 3878560670 + 3878560671.

It is an arithmetic number, because the mean of its divisors is an integer number (3878560671).

Almost surely, 2^7757121341 is an apocalyptic number.

It is an amenable number.

7757121341 is a deficient number, since it is larger than the sum of its proper divisors (1).

7757121341 is an equidigital number, since it uses as much as digits as its factorization.

7757121341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 38.

The square root of 7757121341 is about 88074.5215201309. The cubic root of 7757121341 is about 1979.5517589723.

The spelling of 7757121341 in words is "seven billion, seven hundred fifty-seven million, one hundred twenty-one thousand, three hundred forty-one".