257761080583 has 2 divisors, whose sum is σ = 257761080584. Its totient is φ = 257761080582.

The previous prime is 257761080581. The next prime is 257761080677. The reversal of 257761080583 is 385080167752.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257761080583 - 2¹ = 257761080581 is a prime.

Together with 257761080581, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 257761080583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257761080581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128880540291 + 128880540292.

It is an arithmetic number, because the mean of its divisors is an integer number (128880540292).

Almost surely, 2^257761080583 is an apocalyptic number.

257761080583 is a deficient number, since it is larger than the sum of its proper divisors (1).

257761080583 is an equidigital number, since it uses as much as digits as its factorization.

257761080583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 257761080583 in words is "two hundred fifty-seven billion, seven hundred sixty-one million, eighty thousand, five hundred eighty-three".