628870124 has 6 divisors (see below), whose sum is σ = 1100522724. Its totient is φ = 314435060.

The previous prime is 628870111. The next prime is 628870129. The reversal of 628870124 is 421078826.

It is not an unprimeable number, because it can be changed into a prime (628870129) 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 as a sum of consecutive naturals, namely, 78608762 + ... + 78608769.

It is an arithmetic number, because the mean of its divisors is an integer number (183420454).

Almost surely, 2^628870124 is an apocalyptic number.

It is an amenable number.

628870124 is a deficient number, since it is larger than the sum of its proper divisors (471652600).

628870124 is a wasteful number, since it uses less digits than its factorization.

628870124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157217535 (or 157217533 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 628870124 is about 25077.2830266758. The cubic root of 628870124 is about 856.7490949736.

The spelling of 628870124 in words is "six hundred twenty-eight million, eight hundred seventy thousand, one hundred twenty-four".