627940983897 has 48 divisors (see below), whose sum is σ = 933963750720. Its totient is φ = 406406854656.

The previous prime is 627940983881. The next prime is 627940983899. The reversal of 627940983897 is 798389049726.

627940983897 is a `hidden beast` number, since 62 + 7 + 9 + 409 + 83 + 89 + 7 = 666.

It is not a de Polignac number, because 627940983897 - 2⁴ = 627940983881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (627940983899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16456713 + ... + 16494825.

It is an arithmetic number, because the mean of its divisors is an integer number (19457578140).

Almost surely, 2^627940983897 is an apocalyptic number.

627940983897 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

627940983897 is a deficient number, since it is larger than the sum of its proper divisors (306022766823).

627940983897 is a wasteful number, since it uses less digits than its factorization.

627940983897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38582 (or 38579 counting only the distinct ones).

The product of its (nonzero) digits is 329204736, while the sum is 72.

The spelling of 627940983897 in words is "six hundred twenty-seven billion, nine hundred forty million, nine hundred eighty-three thousand, eight hundred ninety-seven".