7477982412577 has 2 divisors, whose sum is σ = 7477982412578. Its totient is φ = 7477982412576.

The previous prime is 7477982412457. The next prime is 7477982412631. The reversal of 7477982412577 is 7752142897747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4551775313121 + 2926207099456 = 2133489^2 + 1710616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7477982412577 is a prime.

It is not a weakly prime, because it can be changed into another prime (7477982412377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3738991206288 + 3738991206289.

It is an arithmetic number, because the mean of its divisors is an integer number (3738991206289).

Almost surely, 2^{7477982412577} is an apocalyptic number.

It is an amenable number.

7477982412577 is a deficient number, since it is larger than the sum of its proper divisors (1).

7477982412577 is an equidigital number, since it uses as much as digits as its factorization.

7477982412577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387233280, while the sum is 70.

The spelling of 7477982412577 in words is "seven trillion, four hundred seventy-seven billion, nine hundred eighty-two million, four hundred twelve thousand, five hundred seventy-seven".