628028628427 has 8 divisors (see below), whose sum is σ = 635307678000. Its totient is φ = 620754524544.

The previous prime is 628028628419. The next prime is 628028628467. The reversal of 628028628427 is 724826820826.

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

It is a cyclic number.

It is not a de Polignac number, because 628028628427 - 2³ = 628028628419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628028628467) 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, 980677 + ... + 1489222.

It is an arithmetic number, because the mean of its divisors is an integer number (79413459750).

Almost surely, 2^628028628427 is an apocalyptic number.

628028628427 is a deficient number, since it is larger than the sum of its proper divisors (7279049573).

628028628427 is a wasteful number, since it uses less digits than its factorization.

628028628427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472845.

The product of its (nonzero) digits is 8257536, while the sum is 55.

The spelling of 628028628427 in words is "six hundred twenty-eight billion, twenty-eight million, six hundred twenty-eight thousand, four hundred twenty-seven".