488886857 has 2 divisors, whose sum is σ = 488886858. Its totient is φ = 488886856.

The previous prime is 488886779. The next prime is 488886869. The reversal of 488886857 is 758688884.

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., 396169216 + 92717641 = 19904^2 + 9629^2 .

It is a cyclic number.

It is not a de Polignac number, because 488886857 - 2²² = 484692553 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 488886857.

It is not a weakly prime, because it can be changed into another prime (488886457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244443428 + 244443429.

It is an arithmetic number, because the mean of its divisors is an integer number (244443429).

Almost surely, 2^488886857 is an apocalyptic number.

It is an amenable number.

488886857 is a deficient number, since it is larger than the sum of its proper divisors (1).

488886857 is an equidigital number, since it uses as much as digits as its factorization.

488886857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27525120, while the sum is 62.

The square root of 488886857 is about 22110.7859878386. The cubic root of 488886857 is about 787.7760756070.

The spelling of 488886857 in words is "four hundred eighty-eight million, eight hundred eighty-six thousand, eight hundred fifty-seven".