627121428115 has 32 divisors (see below), whose sum is σ = 928834171776. Its totient is φ = 395822592000.

The previous prime is 627121428113. The next prime is 627121428133. The reversal of 627121428115 is 511824121726.

It is not a de Polignac number, because 627121428115 - 2¹ = 627121428113 is a prime.

It is a super-2 number, since 2×627121428115² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (627121428113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791636 + ... + 2112865.

It is an arithmetic number, because the mean of its divisors is an integer number (29026067868).

Almost surely, 2^627121428115 is an apocalyptic number.

627121428115 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

627121428115 is a deficient number, since it is larger than the sum of its proper divisors (301712743661).

627121428115 is a wasteful number, since it uses less digits than its factorization.

627121428115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904879.

The product of its digits is 53760, while the sum is 40.

The spelling of 627121428115 in words is "six hundred twenty-seven billion, one hundred twenty-one million, four hundred twenty-eight thousand, one hundred fifteen".