488876777 has 2 divisors, whose sum is σ = 488876778. Its totient is φ = 488876776.

The previous prime is 488876771. The next prime is 488876779. The reversal of 488876777 is 777678884.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453008656 + 35868121 = 21284^2 + 5989^2 .

It is a cyclic number.

It is not a de Polignac number, because 488876777 - 2¹⁰ = 488875753 is a prime.

Together with 488876779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (488876771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244438388 + 244438389.

It is an arithmetic number, because the mean of its divisors is an integer number (244438389).

Almost surely, 2^488876777 is an apocalyptic number.

It is an amenable number.

488876777 is a deficient number, since it is larger than the sum of its proper divisors (1).

488876777 is an equidigital number, since it uses as much as digits as its factorization.

488876777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29503488, while the sum is 62.

The square root of 488876777 is about 22110.5580436135. The cubic root of 488876777 is about 787.7706613772.

The spelling of 488876777 in words is "four hundred eighty-eight million, eight hundred seventy-six thousand, seven hundred seventy-seven".