628013170678 has 4 divisors (see below), whose sum is σ = 942019756020. Its totient is φ = 314006585338.

The previous prime is 628013170661. The next prime is 628013170693. The reversal of 628013170678 is 876071310826.

It is a happy number.

628013170678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 876071310826 = 2 ⋅438035655413.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157003292668 + ... + 157003292671.

It is an arithmetic number, because the mean of its divisors is an integer number (235504939005).

Almost surely, 2^628013170678 is an apocalyptic number.

628013170678 is a deficient number, since it is larger than the sum of its proper divisors (314006585342).

628013170678 is a wasteful number, since it uses less digits than its factorization.

628013170678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314006585341.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 628013170678 in words is "six hundred twenty-eight billion, thirteen million, one hundred seventy thousand, six hundred seventy-eight".