628272173484 has 18 divisors (see below), whose sum is σ = 1588132438620. Its totient is φ = 209424057816.

The previous prime is 628272173479. The next prime is 628272173537. The reversal of 628272173484 is 484371272826.

628272173484 is a `hidden beast` number, since 6 + 2 + 82 + 7 + 217 + 348 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 628272173484.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8726002374 + ... + 8726002445.

Almost surely, 2^628272173484 is an apocalyptic number.

It is an amenable number.

628272173484 is an abundant number, since it is smaller than the sum of its proper divisors (959860265136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628272173484 is a wasteful number, since it uses less digits than its factorization.

628272173484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17452004829 (or 17452004824 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The spelling of 628272173484 in words is "six hundred twenty-eight billion, two hundred seventy-two million, one hundred seventy-three thousand, four hundred eighty-four".