628008462668 has 6 divisors (see below), whose sum is σ = 1099014809676. Its totient is φ = 314004231332.

The previous prime is 628008462643. The next prime is 628008462691. The reversal of 628008462668 is 866264800826.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78501057830 + ... + 78501057837.

It is an arithmetic number, because the mean of its divisors is an integer number (183169134946).

Almost surely, 2^628008462668 is an apocalyptic number.

It is an amenable number.

628008462668 is a deficient number, since it is larger than the sum of its proper divisors (471006347008).

628008462668 is a wasteful number, since it uses less digits than its factorization.

628008462668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157002115671 (or 157002115669 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 628008462668 in words is "six hundred twenty-eight billion, eight million, four hundred sixty-two thousand, six hundred sixty-eight".