4957788457 has 2 divisors, whose sum is σ = 4957788458. Its totient is φ = 4957788456.

The previous prime is 4957788449. The next prime is 4957788461. The reversal of 4957788457 is 7548877594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4891463721 + 66324736 = 69939^2 + 8144^2 .

It is a cyclic number.

It is not a de Polignac number, because 4957788457 - 2³ = 4957788449 is a prime.

It is not a weakly prime, because it can be changed into another prime (4957785457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2478894228 + 2478894229.

It is an arithmetic number, because the mean of its divisors is an integer number (2478894229).

Almost surely, 2^4957788457 is an apocalyptic number.

It is an amenable number.

4957788457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4957788457 is an equidigital number, since it uses as much as digits as its factorization.

4957788457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79027200, while the sum is 64.

The square root of 4957788457 is about 70411.5647958487. The cubic root of 4957788457 is about 1705.1502929924.

The spelling of 4957788457 in words is "four billion, nine hundred fifty-seven million, seven hundred eighty-eight thousand, four hundred fifty-seven".