488781577 has 2 divisors, whose sum is σ = 488781578. Its totient is φ = 488781576.

The previous prime is 488781551. The next prime is 488781583. The reversal of 488781577 is 775187884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290225296 + 198556281 = 17036^2 + 14091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488781577 is a prime.

It is not a weakly prime, because it can be changed into another prime (488781277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244390788 + 244390789.

It is an arithmetic number, because the mean of its divisors is an integer number (244390789).

Almost surely, 2^488781577 is an apocalyptic number.

It is an amenable number.

488781577 is a deficient number, since it is larger than the sum of its proper divisors (1).

488781577 is an equidigital number, since it uses as much as digits as its factorization.

488781577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3512320, while the sum is 55.

The square root of 488781577 is about 22108.4051211298. The cubic root of 488781577 is about 787.7195233134.

The spelling of 488781577 in words is "four hundred eighty-eight million, seven hundred eighty-one thousand, five hundred seventy-seven".