628740088 has 16 divisors (see below), whose sum is σ = 1181520000. Its totient is φ = 313668096.

The previous prime is 628740083. The next prime is 628740107. The reversal of 628740088 is 880047826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628740083) 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 3 ways as a sum of consecutive naturals, for example, 83928 + ... + 91111.

It is an arithmetic number, because the mean of its divisors is an integer number (73845000).

Almost surely, 2^628740088 is an apocalyptic number.

It is an amenable number.

628740088 is a deficient number, since it is larger than the sum of its proper divisors (552779912).

628740088 is a wasteful number, since it uses less digits than its factorization.

628740088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175494 (or 175490 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 628740088 is about 25074.6901875178. The cubic root of 628740088 is about 856.6900388448.

The spelling of 628740088 in words is "six hundred twenty-eight million, seven hundred forty thousand, eighty-eight".