257354200803 has 144 divisors (see below), whose sum is σ = 441028141056. Its totient is φ = 132916412160.

The previous prime is 257354200787. The next prime is 257354200843. The reversal of 257354200803 is 308002453752.

It is not a de Polignac number, because 257354200803 - 2⁴ = 257354200787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (257354200843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 120089550 + ... + 120091692.

It is an arithmetic number, because the mean of its divisors is an integer number (3062695424).

Almost surely, 2^257354200803 is an apocalyptic number.

257354200803 is a deficient number, since it is larger than the sum of its proper divisors (183673940253).

257354200803 is a wasteful number, since it uses less digits than its factorization.

257354200803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 257354200803 in words is "two hundred fifty-seven billion, three hundred fifty-four million, two hundred thousand, eight hundred three".