628811902072 has 32 divisors (see below), whose sum is σ = 1252787871600. Its totient is φ = 294865841664.

The previous prime is 628811902039. The next prime is 628811902087. The reversal of 628811902072 is 270209118826.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8130447 + ... + 8207422.

Almost surely, 2^628811902072 is an apocalyptic number.

It is an amenable number.

628811902072 is a deficient number, since it is larger than the sum of its proper divisors (623975969528).

628811902072 is a wasteful number, since it uses less digits than its factorization.

628811902072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16338175 (or 16338171 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 628811902072 in words is "six hundred twenty-eight billion, eight hundred eleven million, nine hundred two thousand, seventy-two".