628850776273 has 4 divisors (see below), whose sum is σ = 628969904640. Its totient is φ = 628731647908.

The previous prime is 628850776271. The next prime is 628850776327. The reversal of 628850776273 is 372677058826.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 372677058826 = 2 ⋅186338529413.

It is a cyclic number.

It is not a de Polignac number, because 628850776273 - 2¹ = 628850776271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628850776271) 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 in 3 ways as a sum of consecutive naturals, for example, 59556265 + ... + 59566822.

It is an arithmetic number, because the mean of its divisors is an integer number (157242476160).

Almost surely, 2^628850776273 is an apocalyptic number.

It is an amenable number.

628850776273 is a deficient number, since it is larger than the sum of its proper divisors (119128367).

628850776273 is a wasteful number, since it uses less digits than its factorization.

628850776273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119128366.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 628850776273 in words is "six hundred twenty-eight billion, eight hundred fifty million, seven hundred seventy-six thousand, two hundred seventy-three".