4255208076817 has 4 divisors (see below), whose sum is σ = 4255246911600. Its totient is φ = 4255169242036.

The previous prime is 4255208076811. The next prime is 4255208076829. The reversal of 4255208076817 is 7186708025524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4255208076817 - 2¹¹ = 4255208074769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4255208076811) 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, 19252567 + ... + 19472332.

It is an arithmetic number, because the mean of its divisors is an integer number (1063811727900).

Almost surely, 2^{4255208076817} is an apocalyptic number.

It is an amenable number.

4255208076817 is a deficient number, since it is larger than the sum of its proper divisors (38834783).

4255208076817 is a wasteful number, since it uses less digits than its factorization.

4255208076817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38834782.

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 4255208076817 in words is "four trillion, two hundred fifty-five billion, two hundred eight million, seventy-six thousand, eight hundred seventeen".