15628808827 has 2 divisors, whose sum is σ = 15628808828. Its totient is φ = 15628808826.

The previous prime is 15628808791. The next prime is 15628808851. The reversal of 15628808827 is 72880882651.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15628808827 is a prime.

It is not a weakly prime, because it can be changed into another prime (15628800827) 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 as a sum of consecutive naturals, namely, 7814404413 + 7814404414.

It is an arithmetic number, because the mean of its divisors is an integer number (7814404414).

Almost surely, 2^15628808827 is an apocalyptic number.

15628808827 is a deficient number, since it is larger than the sum of its proper divisors (1).

15628808827 is an equidigital number, since it uses as much as digits as its factorization.

15628808827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3440640, while the sum is 55.

The spelling of 15628808827 in words is "fifteen billion, six hundred twenty-eight million, eight hundred eight thousand, eight hundred twenty-seven".