628283776 has 16 divisors (see below), whose sum is σ = 1251659340. Its totient is φ = 314141824.

The previous prime is 628283741. The next prime is 628283779. The reversal of 628283776 is 677382826.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628283779) 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 as a sum of consecutive naturals, namely, 2454106 + ... + 2454361.

Almost surely, 2^628283776 is an apocalyptic number.

It is an amenable number.

628283776 is a deficient number, since it is larger than the sum of its proper divisors (623375564).

628283776 is an equidigital number, since it uses as much as digits as its factorization.

628283776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908481 (or 4908469 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 628283776 is about 25065.5894804012. The cubic root of 628283776 is about 856.4827393258.

The spelling of 628283776 in words is "six hundred twenty-eight million, two hundred eighty-three thousand, seven hundred seventy-six".