257702313471 has 8 divisors (see below), whose sum is σ = 343655593344. Its totient is φ = 171775287960.

The previous prime is 257702313469. The next prime is 257702313553. The reversal of 257702313471 is 174313207752.

257702313471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 257702313471 - 2¹ = 257702313469 is a prime.

It is a super-3 number, since 3×257702313471³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257702313571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6540675 + ... + 6579956.

It is an arithmetic number, because the mean of its divisors is an integer number (42956949168).

Almost surely, 2^257702313471 is an apocalyptic number.

257702313471 is a deficient number, since it is larger than the sum of its proper divisors (85953279873).

257702313471 is a wasteful number, since it uses less digits than its factorization.

257702313471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13127181.

The product of its (nonzero) digits is 246960, while the sum is 42.

The spelling of 257702313471 in words is "two hundred fifty-seven billion, seven hundred two million, three hundred thirteen thousand, four hundred seventy-one".