488097781 has 2 divisors, whose sum is σ = 488097782. Its totient is φ = 488097780.

The previous prime is 488097769. The next prime is 488097793. The reversal of 488097781 is 187790884.

It is a balanced prime because it is at equal distance from previous prime (488097769) and next prime (488097793).

It can be written as a sum of positive squares in only one way, i.e., 428283025 + 59814756 = 20695^2 + 7734^2 .

It is a cyclic number.

It is not a de Polignac number, because 488097781 - 2⁷ = 488097653 is a prime.

It is a super-2 number, since 2×488097781² = 476478887634247922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488097721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244048890 + 244048891.

It is an arithmetic number, because the mean of its divisors is an integer number (244048891).

Almost surely, 2^488097781 is an apocalyptic number.

It is an amenable number.

488097781 is a deficient number, since it is larger than the sum of its proper divisors (1).

488097781 is an equidigital number, since it uses as much as digits as its factorization.

488097781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 52.

The square root of 488097781 is about 22092.9350924679. The cubic root of 488097781 is about 787.3520170747.

The spelling of 488097781 in words is "four hundred eighty-eight million, ninety-seven thousand, seven hundred eighty-one".