628752383 has 4 divisors (see below), whose sum is σ = 718574160. Its totient is φ = 538930608.

The previous prime is 628752379. The next prime is 628752391. The reversal of 628752383 is 383257826.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 628752383 - 2² = 628752379 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628752983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44910878 + ... + 44910891.

It is an arithmetic number, because the mean of its divisors is an integer number (179643540).

Almost surely, 2^628752383 is an apocalyptic number.

628752383 is a deficient number, since it is larger than the sum of its proper divisors (89821777).

628752383 is an equidigital number, since it uses as much as digits as its factorization.

628752383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89821776.

The product of its digits is 483840, while the sum is 44.

The square root of 628752383 is about 25074.9353538549. The cubic root of 628752383 is about 856.6956229940.

The spelling of 628752383 in words is "six hundred twenty-eight million, seven hundred fifty-two thousand, three hundred eighty-three".