257068977503 has 8 divisors (see below), whose sum is σ = 293128427088. Its totient is φ = 223335944064.

The previous prime is 257068977421. The next prime is 257068977527. The reversal of 257068977503 is 305779860752.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 257068977503 - 2¹² = 257068973407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257068977533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581603801 + ... + 581604242.

It is an arithmetic number, because the mean of its divisors is an integer number (36641053386).

Almost surely, 2^257068977503 is an apocalyptic number.

257068977503 is a deficient number, since it is larger than the sum of its proper divisors (36059449585).

257068977503 is a wasteful number, since it uses less digits than its factorization.

257068977503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163208073.

The product of its (nonzero) digits is 22226400, while the sum is 59.

The spelling of 257068977503 in words is "two hundred fifty-seven billion, sixty-eight million, nine hundred seventy-seven thousand, five hundred three".