628016875 has 20 divisors (see below), whose sum is σ = 799619040. Its totient is φ = 492908000.

The previous prime is 628016869. The next prime is 628016881. The reversal of 628016875 is 578610826.

It is an interprime number because it is at equal distance from previous prime (628016869) and next prime (628016881).

It is not a de Polignac number, because 628016875 - 2⁵ = 628016843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23646 + ... + 42604.

It is an arithmetic number, because the mean of its divisors is an integer number (39980952).

Almost surely, 2^628016875 is an apocalyptic number.

628016875 is a deficient number, since it is larger than the sum of its proper divisors (171602165).

628016875 is an equidigital number, since it uses as much as digits as its factorization.

628016875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19032 (or 19017 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 628016875 is about 25060.2648629259. The cubic root of 628016875 is about 856.3614414421.

The spelling of 628016875 in words is "six hundred twenty-eight million, sixteen thousand, eight hundred seventy-five".