628524478 has 8 divisors (see below), whose sum is σ = 943042968. Its totient is φ = 314176824.

The previous prime is 628524451. The next prime is 628524487. The reversal of 628524478 is 874425826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33076 + ... + 48487.

It is an arithmetic number, because the mean of its divisors is an integer number (117880371).

Almost surely, 2^628524478 is an apocalyptic number.

628524478 is a deficient number, since it is larger than the sum of its proper divisors (314518490).

628524478 is a wasteful number, since it uses less digits than its factorization.

628524478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85418.

The product of its digits is 860160, while the sum is 46.

The square root of 628524478 is about 25070.3904636525. The cubic root of 628524478 is about 856.5921011539.

The spelling of 628524478 in words is "six hundred twenty-eight million, five hundred twenty-four thousand, four hundred seventy-eight".