628111736 has 16 divisors (see below), whose sum is σ = 1345953840. Its totient is φ = 269190720.

The previous prime is 628111727. The next prime is 628111753. The reversal of 628111736 is 637111826.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 628111696 and 628111705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5608085 + ... + 5608196.

It is an arithmetic number, because the mean of its divisors is an integer number (84122115).

Almost surely, 2^628111736 is an apocalyptic number.

It is an amenable number.

628111736 is an abundant number, since it is smaller than the sum of its proper divisors (717842104).

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

628111736 is a wasteful number, since it uses less digits than its factorization.

628111736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11216294 (or 11216290 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 628111736 is about 25062.1574490306. The cubic root of 628111736 is about 856.4045566385.

The spelling of 628111736 in words is "six hundred twenty-eight million, one hundred eleven thousand, seven hundred thirty-six".