67484848477 has 2 divisors, whose sum is σ = 67484848478. Its totient is φ = 67484848476.

The previous prime is 67484848471. The next prime is 67484848513. The reversal of 67484848477 is 77484848476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48903341881 + 18581506596 = 221141^2 + 136314^2 .

It is a cyclic number.

It is not a de Polignac number, because 67484848477 - 2⁷ = 67484848349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67484848471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33742424238 + 33742424239.

It is an arithmetic number, because the mean of its divisors is an integer number (33742424239).

Almost surely, 2^67484848477 is an apocalyptic number.

It is an amenable number.

67484848477 is a deficient number, since it is larger than the sum of its proper divisors (1).

67484848477 is an equidigital number, since it uses as much as digits as its factorization.

67484848477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 269746176, while the sum is 67.

Subtracting 67484848477 from its reverse (77484848476), we obtain a palindrome (9999999999).

The spelling of 67484848477 in words is "sixty-seven billion, four hundred eighty-four million, eight hundred forty-eight thousand, four hundred seventy-seven".