628930855384 has 16 divisors (see below), whose sum is σ = 1269956535120. Its totient is φ = 290275779360.

The previous prime is 628930855207. The next prime is 628930855387. The reversal of 628930855384 is 483558039826.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628930855387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023705932 + ... + 3023706139.

It is an arithmetic number, because the mean of its divisors is an integer number (79372283445).

Almost surely, 2^628930855384 is an apocalyptic number.

It is an amenable number.

628930855384 is an abundant number, since it is smaller than the sum of its proper divisors (641025679736).

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

628930855384 is a wasteful number, since it uses less digits than its factorization.

628930855384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6047412090 (or 6047412086 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 628930855384 in words is "six hundred twenty-eight billion, nine hundred thirty million, eight hundred fifty-five thousand, three hundred eighty-four".