257076669331 has 2 divisors, whose sum is σ = 257076669332. Its totient is φ = 257076669330.

The previous prime is 257076669319. The next prime is 257076669383. The reversal of 257076669331 is 133966670752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257076669331 - 2⁷ = 257076669203 is a prime.

It is a super-2 number, since 2×257076669331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (257076669631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128538334665 + 128538334666.

It is an arithmetic number, because the mean of its divisors is an integer number (128538334666).

Almost surely, 2^257076669331 is an apocalyptic number.

257076669331 is a deficient number, since it is larger than the sum of its proper divisors (1).

257076669331 is an equidigital number, since it uses as much as digits as its factorization.

257076669331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 257076669331 in words is "two hundred fifty-seven billion, seventy-six million, six hundred sixty-nine thousand, three hundred thirty-one".