628160879 has 4 divisors (see below), whose sum is σ = 628514184. Its totient is φ = 627807576.

The previous prime is 628160873. The next prime is 628160891. The reversal of 628160879 is 978061826.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 628160879 - 2⁸ = 628160623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628160873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173972 + ... + 177545.

It is an arithmetic number, because the mean of its divisors is an integer number (157128546).

Almost surely, 2^628160879 is an apocalyptic number.

628160879 is a deficient number, since it is larger than the sum of its proper divisors (353305).

628160879 is a wasteful number, since it uses less digits than its factorization.

628160879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353304.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 628160879 is about 25063.1378522323. The cubic root of 628160879 is about 856.4268908768.

The spelling of 628160879 in words is "six hundred twenty-eight million, one hundred sixty thousand, eight hundred seventy-nine".