628110538 has 32 divisors (see below), whose sum is σ = 1059505920. Its totient is φ = 276816960.

The previous prime is 628110533. The next prime is 628110541. The reversal of 628110538 is 835011826.

It is not an unprimeable number, because it can be changed into a prime (628110533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109920 + ... + 115492.

It is an arithmetic number, because the mean of its divisors is an integer number (33109560).

Almost surely, 2^628110538 is an apocalyptic number.

628110538 is a deficient number, since it is larger than the sum of its proper divisors (431395382).

628110538 is a wasteful number, since it uses less digits than its factorization.

628110538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 628110538 is about 25062.1335484432. The cubic root of 628110538 is about 856.4040121636.

The spelling of 628110538 in words is "six hundred twenty-eight million, one hundred ten thousand, five hundred thirty-eight".