57628665223 has 4 divisors (see below), whose sum is σ = 57629156200. Its totient is φ = 57628174248.

The previous prime is 57628665187. The next prime is 57628665257. The reversal of 57628665223 is 32256682675.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57628665223 is a prime.

It is a super-3 number, since 3×57628665223³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57628665623) 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, 45736 + ... + 342562.

It is an arithmetic number, because the mean of its divisors is an integer number (14407289050).

Almost surely, 2^57628665223 is an apocalyptic number.

57628665223 is a deficient number, since it is larger than the sum of its proper divisors (490977).

57628665223 is a wasteful number, since it uses less digits than its factorization.

57628665223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490976.

The product of its digits is 7257600, while the sum is 52.

The spelling of 57628665223 in words is "fifty-seven billion, six hundred twenty-eight million, six hundred sixty-five thousand, two hundred twenty-three".