628054763 has 4 divisors (see below), whose sum is σ = 717776880. Its totient is φ = 538332648.

The previous prime is 628054759. The next prime is 628054771. The reversal of 628054763 is 367450826.

It is a happy number.

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

It is not a de Polignac number, because 628054763 - 2² = 628054759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628054763.

It is not an unprimeable number, because it can be changed into a prime (628054723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44861048 + ... + 44861061.

It is an arithmetic number, because the mean of its divisors is an integer number (179444220).

Almost surely, 2^628054763 is an apocalyptic number.

628054763 is a deficient number, since it is larger than the sum of its proper divisors (89722117).

628054763 is an equidigital number, since it uses as much as digits as its factorization.

628054763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89722116.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 628054763 is about 25061.0207892655. The cubic root of 628054763 is about 856.3786624070.

The spelling of 628054763 in words is "six hundred twenty-eight million, fifty-four thousand, seven hundred sixty-three".