628039931706 has 48 divisors (see below), whose sum is σ = 1486879935840. Its totient is φ = 190004628960.

The previous prime is 628039931669. The next prime is 628039931719. The reversal of 628039931706 is 607139930826.

628039931706 is a `hidden beast` number, since 6 + 2 + 80 + 399 + 3 + 170 + 6 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2465836 + ... + 2708583.

It is an arithmetic number, because the mean of its divisors is an integer number (30976665330).

Almost surely, 2^628039931706 is an apocalyptic number.

628039931706 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

628039931706 is an abundant number, since it is smaller than the sum of its proper divisors (858840004134).

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

628039931706 is a wasteful number, since it uses less digits than its factorization.

628039931706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175051 (or 5175048 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 628039931706 in words is "six hundred twenty-eight billion, thirty-nine million, nine hundred thirty-one thousand, seven hundred six".