628946075774 has 8 divisors (see below), whose sum is σ = 943422556440. Its totient is φ = 314471890296.

The previous prime is 628946075713. The next prime is 628946075777. The reversal of 628946075774 is 477570649826.

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

It is a self number, because there is not a number n which added to its sum of digits gives 628946075774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628946075777) by changing a digit.

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, 556877 + ... + 1252199.

It is an arithmetic number, because the mean of its divisors is an integer number (117927819555).

Almost surely, 2^628946075774 is an apocalyptic number.

628946075774 is a deficient number, since it is larger than the sum of its proper divisors (314476480666).

628946075774 is a wasteful number, since it uses less digits than its factorization.

628946075774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147594.

The product of its (nonzero) digits is 142248960, while the sum is 65.

The spelling of 628946075774 in words is "six hundred twenty-eight billion, nine hundred forty-six million, seventy-five thousand, seven hundred seventy-four".