628856482 has 4 divisors (see below), whose sum is σ = 943284726. Its totient is φ = 314428240.

The previous prime is 628856453. The next prime is 628856497. The reversal of 628856482 is 284658826.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284658826 = 2 ⋅142329413.

It can be written as a sum of positive squares in only one way, i.e., 609151761 + 19704721 = 24681^2 + 4439^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157214119 + ... + 157214122.

Almost surely, 2^628856482 is an apocalyptic number.

628856482 is a deficient number, since it is larger than the sum of its proper divisors (314428244).

628856482 is a wasteful number, since it uses less digits than its factorization.

628856482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314428243.

The product of its digits is 1474560, while the sum is 49.

The square root of 628856482 is about 25077.0110260374. The cubic root of 628856482 is about 856.7428998122.

The spelling of 628856482 in words is "six hundred twenty-eight million, eight hundred fifty-six thousand, four hundred eighty-two".