4984776857 has 2 divisors, whose sum is σ = 4984776858. Its totient is φ = 4984776856.

The previous prime is 4984776809. The next prime is 4984776859. The reversal of 4984776857 is 7586774894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4680064921 + 304711936 = 68411^2 + 17456^2 .

It is a cyclic number.

It is not a de Polignac number, because 4984776857 - 2¹⁰ = 4984775833 is a prime.

Together with 4984776859, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4984776793 and 4984776802.

It is not a weakly prime, because it can be changed into another prime (4984776859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2492388428 + 2492388429.

It is an arithmetic number, because the mean of its divisors is an integer number (2492388429).

Almost surely, 2^4984776857 is an apocalyptic number.

It is an amenable number.

4984776857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4984776857 is an equidigital number, since it uses as much as digits as its factorization.

4984776857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94832640, while the sum is 65.

The square root of 4984776857 is about 70602.9521833188. The cubic root of 4984776857 is about 1708.2387685705.

The spelling of 4984776857 in words is "four billion, nine hundred eighty-four million, seven hundred seventy-six thousand, eight hundred fifty-seven".