628350204870 has 64 divisors (see below), whose sum is σ = 1676943000000. Its totient is φ = 167425809408.

The previous prime is 628350204803. The next prime is 628350204871. The reversal of 628350204870 is 78402053826.

628350204870 is a `hidden beast` number, since 6 + 28 + 350 + 204 + 8 + 70 = 666.

628350204870 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628350204871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594405 + ... + 1268864.

It is an arithmetic number, because the mean of its divisors is an integer number (26202234375).

Almost surely, 2^628350204870 is an apocalyptic number.

628350204870 is an abundant number, since it is smaller than the sum of its proper divisors (1048592795130).

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

628350204870 is a wasteful number, since it uses less digits than its factorization.

628350204870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864534 (or 1864528 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 628350204870 in words is "six hundred twenty-eight billion, three hundred fifty million, two hundred four thousand, eight hundred seventy".