257538276716 has 12 divisors (see below), whose sum is σ = 515076553488. Its totient is φ = 110373547152.

The previous prime is 257538276713. The next prime is 257538276761. The reversal of 257538276716 is 617672835752.

257538276716 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (257538276713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4598897771 + ... + 4598897826.

It is an arithmetic number, because the mean of its divisors is an integer number (42923046124).

Almost surely, 2^257538276716 is an apocalyptic number.

It is an amenable number.

257538276716 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

257538276716 is a wasteful number, since it uses less digits than its factorization.

257538276716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197795608 (or 9197795606 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 59.

The spelling of 257538276716 in words is "two hundred fifty-seven billion, five hundred thirty-eight million, two hundred seventy-six thousand, seven hundred sixteen".