257411086007 has 4 divisors (see below), whose sum is σ = 258188763336. Its totient is φ = 256633408680.

The previous prime is 257411086001. The next prime is 257411086019. The reversal of 257411086007 is 700680114752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 257411086007 - 2⁴ = 257411085991 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 (257411086001) 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, 388838168 + ... + 388838829.

It is an arithmetic number, because the mean of its divisors is an integer number (64547190834).

Almost surely, 2^257411086007 is an apocalyptic number.

257411086007 is a deficient number, since it is larger than the sum of its proper divisors (777677329).

257411086007 is an equidigital number, since it uses as much as digits as its factorization.

257411086007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777677328.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 257411086007 in words is "two hundred fifty-seven billion, four hundred eleven million, eighty-six thousand, seven".