488672251386857 has 2 divisors, whose sum is σ = 488672251386858. Its totient is φ = 488672251386856.

The previous prime is 488672251386853. The next prime is 488672251386859. The reversal of 488672251386857 is 758683152276884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299098208335936 + 189574043050921 = 17294456^2 + 13768589^2 .

It is a cyclic number.

It is not a de Polignac number, because 488672251386857 - 2² = 488672251386853 is a prime.

Together with 488672251386859, 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 (488672251386853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244336125693428 + 244336125693429.

It is an arithmetic number, because the mean of its divisors is an integer number (244336125693429).

Almost surely, 2^{488672251386857} is an apocalyptic number.

It is an amenable number.

488672251386857 is a deficient number, since it is larger than the sum of its proper divisors (1).

488672251386857 is an equidigital number, since it uses as much as digits as its factorization.

488672251386857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8670412800, while the sum is 80.

The spelling of 488672251386857 in words is "four hundred eighty-eight trillion, six hundred seventy-two billion, two hundred fifty-one million, three hundred eighty-six thousand, eight hundred fifty-seven".