7720314461 has 2 divisors, whose sum is σ = 7720314462. Its totient is φ = 7720314460.

The previous prime is 7720314443. The next prime is 7720314467. The reversal of 7720314461 is 1644130277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7661500900 + 58813561 = 87530^2 + 7669^2 .

It is an emirp because it is prime and its reverse (1644130277) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7720314461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7720314467) 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, 3860157230 + 3860157231.

It is an arithmetic number, because the mean of its divisors is an integer number (3860157231).

Almost surely, 2^7720314461 is an apocalyptic number.

It is an amenable number.

7720314461 is a deficient number, since it is larger than the sum of its proper divisors (1).

7720314461 is an equidigital number, since it uses as much as digits as its factorization.

7720314461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 7720314461 is about 87865.3200130746. The cubic root of 7720314461 is about 1976.4158590457.

The spelling of 7720314461 in words is "seven billion, seven hundred twenty million, three hundred fourteen thousand, four hundred sixty-one".