628190563 has 32 divisors (see below), whose sum is σ = 853719552. Its totient is φ = 446342400.

The previous prime is 628190557. The next prime is 628190573. The reversal of 628190563 is 365091826.

It is not a de Polignac number, because 628190563 - 2⁵ = 628190531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (628190533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79303 + ... + 86863.

It is an arithmetic number, because the mean of its divisors is an integer number (26678736).

Almost surely, 2^628190563 is an apocalyptic number.

628190563 is a deficient number, since it is larger than the sum of its proper divisors (225528989).

628190563 is a wasteful number, since it uses less digits than its factorization.

628190563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 628190563 is about 25063.7300296664. The cubic root of 628190563 is about 856.4403809324.

It can be divided in two parts, 628 and 190563, that added together give a palindrome (191191).

The spelling of 628190563 in words is "six hundred twenty-eight million, one hundred ninety thousand, five hundred sixty-three".