628348783 has 2 divisors, whose sum is σ = 628348784. Its totient is φ = 628348782.

The previous prime is 628348759. The next prime is 628348807. The reversal of 628348783 is 387843826.

It is a balanced prime because it is at equal distance from previous prime (628348759) and next prime (628348807).

It is a cyclic number.

It is not a de Polignac number, because 628348783 - 2⁵ = 628348751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628348733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314174391 + 314174392.

It is an arithmetic number, because the mean of its divisors is an integer number (314174392).

Almost surely, 2^628348783 is an apocalyptic number.

628348783 is a deficient number, since it is larger than the sum of its proper divisors (1).

628348783 is an equidigital number, since it uses as much as digits as its factorization.

628348783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 49.

The square root of 628348783 is about 25066.8861847657. The cubic root of 628348783 is about 856.5122777050.

It can be divided in two parts, 62834 and 8783, that added together give a palindrome (71617).

The spelling of 628348783 in words is "six hundred twenty-eight million, three hundred forty-eight thousand, seven hundred eighty-three".