485701665857 has 4 divisors (see below), whose sum is σ = 485703618096. Its totient is φ = 485699713620.

The previous prime is 485701665833. The next prime is 485701665881. The reversal of 485701665857 is 758566107584.

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 an interprime number because it is at equal distance from previous prime (485701665833) and next prime (485701665881).

It is a cyclic number.

It is not a de Polignac number, because 485701665857 - 2⁶ = 485701665793 is a prime.

It is a super-3 number, since 3×485701665857³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485701665857.

It is not an unprimeable number, because it can be changed into a prime (485701665457) 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, 537119 + ... + 1122452.

It is an arithmetic number, because the mean of its divisors is an integer number (121425904524).

Almost surely, 2^485701665857 is an apocalyptic number.

It is an amenable number.

485701665857 is a deficient number, since it is larger than the sum of its proper divisors (1952239).

485701665857 is a wasteful number, since it uses less digits than its factorization.

485701665857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952238.

The product of its (nonzero) digits is 56448000, while the sum is 62.

The spelling of 485701665857 in words is "four hundred eighty-five billion, seven hundred one million, six hundred sixty-five thousand, eight hundred fifty-seven".