628113798 has 32 divisors (see below), whose sum is σ = 1503180000. Its totient is φ = 193265568.

The previous prime is 628113779. The next prime is 628113803. The reversal of 628113798 is 897311826.

628113798 is a `hidden beast` number, since 628 + 1 + 13 + 7 + 9 + 8 = 666.

It is a super-5 number, since 5×628113798⁵ (a number of 45 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446673 + ... + 448076.

It is an arithmetic number, because the mean of its divisors is an integer number (46974375).

Almost surely, 2^628113798 is an apocalyptic number.

628113798 is an abundant number, since it is smaller than the sum of its proper divisors (875066202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628113798 is a wasteful number, since it uses less digits than its factorization.

628113798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894773 (or 894767 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 628113798 is about 25062.1985867162. The cubic root of 628113798 is about 856.4054937883.

The spelling of 628113798 in words is "six hundred twenty-eight million, one hundred thirteen thousand, seven hundred ninety-eight".