257523345336 has 16 divisors (see below), whose sum is σ = 643808363400. Its totient is φ = 85841115104.

The previous prime is 257523345293. The next prime is 257523345371. The reversal of 257523345336 is 633543325752.

257523345336 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5365069671 + ... + 5365069718.

Almost surely, 2^257523345336 is an apocalyptic number.

It is an amenable number.

257523345336 is an abundant number, since it is smaller than the sum of its proper divisors (386285018064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257523345336 is a wasteful number, since it uses less digits than its factorization.

257523345336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10730139398 (or 10730139394 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 48.

The spelling of 257523345336 in words is "two hundred fifty-seven billion, five hundred twenty-three million, three hundred forty-five thousand, three hundred thirty-six".