628574711 has 6 divisors (see below), whose sum is σ = 667725000. Its totient is φ = 591599456.

The previous prime is 628574707. The next prime is 628574717. The reversal of 628574711 is 117475826.

It is not a de Polignac number, because 628574711 - 2² = 628574707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628574717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1087211 + ... + 1087788.

It is an arithmetic number, because the mean of its divisors is an integer number (111287500).

Almost surely, 2^628574711 is an apocalyptic number.

628574711 is a deficient number, since it is larger than the sum of its proper divisors (39150289).

628574711 is a wasteful number, since it uses less digits than its factorization.

628574711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175033 (or 2175016 counting only the distinct ones).

The product of its digits is 94080, while the sum is 41.

The square root of 628574711 is about 25071.3922828390. The cubic root of 628574711 is about 856.6149207609.

The spelling of 628574711 in words is "six hundred twenty-eight million, five hundred seventy-four thousand, seven hundred eleven".