257032870496279 has 2 divisors, whose sum is σ = 257032870496280. Its totient is φ = 257032870496278.

The previous prime is 257032870496249. The next prime is 257032870496357. The reversal of 257032870496279 is 972694078230752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257032870496279 - 2⁸ = 257032870496023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257032870496209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128516435248139 + 128516435248140.

It is an arithmetic number, because the mean of its divisors is an integer number (128516435248140).

Almost surely, 2^{257032870496279} is an apocalyptic number.

257032870496279 is a deficient number, since it is larger than the sum of its proper divisors (1).

257032870496279 is an equidigital number, since it uses as much as digits as its factorization.

257032870496279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640120320, while the sum is 71.

The spelling of 257032870496279 in words is "two hundred fifty-seven trillion, thirty-two billion, eight hundred seventy million, four hundred ninety-six thousand, two hundred seventy-nine".