628028743 has 2 divisors, whose sum is σ = 628028744. Its totient is φ = 628028742.

The previous prime is 628028741. The next prime is 628028759. The reversal of 628028743 is 347820826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628028743 - 2¹ = 628028741 is a prime.

It is a super-3 number, since 3×628028743³ (a number of 27 digits) contains 333 as substring.

Together with 628028741, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 628028696 and 628028705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628028741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314014371 + 314014372.

It is an arithmetic number, because the mean of its divisors is an integer number (314014372).

Almost surely, 2^628028743 is an apocalyptic number.

628028743 is a deficient number, since it is larger than the sum of its proper divisors (1).

628028743 is an equidigital number, since it uses as much as digits as its factorization.

628028743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 628028743 is about 25060.5016510045. The cubic root of 628028743 is about 856.3668357948.

The spelling of 628028743 in words is "six hundred twenty-eight million, twenty-eight thousand, seven hundred forty-three".