628877848 has 8 divisors (see below), whose sum is σ = 1179145980. Its totient is φ = 314438920.

The previous prime is 628877831. The next prime is 628877861. The reversal of 628877848 is 848778826.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×628877848² = 790974695410222208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 628877792 and 628877801.

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, 39304858 + ... + 39304873.

Almost surely, 2^628877848 is an apocalyptic number.

It is an amenable number.

628877848 is a deficient number, since it is larger than the sum of its proper divisors (550268132).

628877848 is a wasteful number, since it uses less digits than its factorization.

628877848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78609737 (or 78609733 counting only the distinct ones).

The product of its digits is 9633792, while the sum is 58.

The square root of 628877848 is about 25077.4370301273. The cubic root of 628877848 is about 856.7526025886.

It can be divided in two parts, 6288778 and 48, that added together give a palindrome (6288826).

The spelling of 628877848 in words is "six hundred twenty-eight million, eight hundred seventy-seven thousand, eight hundred forty-eight".