628334711 has 4 divisors (see below), whose sum is σ = 634435152. Its totient is φ = 622234272.

The previous prime is 628334701. The next prime is 628334713. The reversal of 628334711 is 117433826.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 628334711 - 2⁶ = 628334647 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 (628334713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050066 + ... + 3050271.

It is an arithmetic number, because the mean of its divisors is an integer number (158608788).

Almost surely, 2^628334711 is an apocalyptic number.

628334711 is a deficient number, since it is larger than the sum of its proper divisors (6100441).

628334711 is a wasteful number, since it uses less digits than its factorization.

628334711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100440.

The product of its digits is 24192, while the sum is 35.

The square root of 628334711 is about 25066.6054941629. The cubic root of 628334711 is about 856.5058837345.

The spelling of 628334711 in words is "six hundred twenty-eight million, three hundred thirty-four thousand, seven hundred eleven".