7913332577 has 2 divisors, whose sum is σ = 7913332578. Its totient is φ = 7913332576.

The previous prime is 7913332549. The next prime is 7913332649. The reversal of 7913332577 is 7752333197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7632468496 + 280864081 = 87364^2 + 16759^2 .

It is a cyclic number.

It is not a de Polignac number, because 7913332577 - 2¹⁴ = 7913316193 is a prime.

It is not a weakly prime, because it can be changed into another prime (7913332507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3956666288 + 3956666289.

It is an arithmetic number, because the mean of its divisors is an integer number (3956666289).

Almost surely, 2^7913332577 is an apocalyptic number.

It is an amenable number.

7913332577 is a deficient number, since it is larger than the sum of its proper divisors (1).

7913332577 is an equidigital number, since it uses as much as digits as its factorization.

7913332577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 833490, while the sum is 47.

The square root of 7913332577 is about 88956.9141607329. The cubic root of 7913332577 is about 1992.7514759366.

The spelling of 7913332577 in words is "seven billion, nine hundred thirteen million, three hundred thirty-two thousand, five hundred seventy-seven".