627716425821 has 8 divisors (see below), whose sum is σ = 838225275360. Its totient is φ = 417842596752.

The previous prime is 627716425801. The next prime is 627716425849. The reversal of 627716425821 is 128524617726.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 627716425821 - 2⁵ = 627716425789 is a prime.

It is a super-2 number, since 2×627716425821² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627716425801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158752810 + ... + 158756763.

It is an arithmetic number, because the mean of its divisors is an integer number (104778159420).

Almost surely, 2^627716425821 is an apocalyptic number.

It is an amenable number.

627716425821 is a deficient number, since it is larger than the sum of its proper divisors (210508849539).

627716425821 is a wasteful number, since it uses less digits than its factorization.

627716425821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317510235.

The product of its digits is 2257920, while the sum is 51.

The spelling of 627716425821 in words is "six hundred twenty-seven billion, seven hundred sixteen million, four hundred twenty-five thousand, eight hundred twenty-one".