628782712 has 32 divisors (see below), whose sum is σ = 1194757200. Its totient is φ = 310201344.

The previous prime is 628782697. The next prime is 628782731. The reversal of 628782712 is 217287826.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300823 + ... + 302905.

Almost surely, 2^628782712 is an apocalyptic number.

It is an amenable number.

628782712 is a deficient number, since it is larger than the sum of its proper divisors (565974488).

628782712 is a wasteful number, since it uses less digits than its factorization.

628782712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 2571 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 628782712 is about 25075.5401138241. The cubic root of 628782712 is about 856.7093975230.

The spelling of 628782712 in words is "six hundred twenty-eight million, seven hundred eighty-two thousand, seven hundred twelve".