28628481859979 has 2 divisors, whose sum is σ = 28628481859980. Its totient is φ = 28628481859978.

The previous prime is 28628481859973. The next prime is 28628481860051. The reversal of 28628481859979 is 97995818482682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28628481859979 - 2³² = 28624186892683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28628481859979.

It is not a weakly prime, because it can be changed into another prime (28628481859973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14314240929989 + 14314240929990.

It is an arithmetic number, because the mean of its divisors is an integer number (14314240929990).

Almost surely, 2^{28628481859979} is an apocalyptic number.

28628481859979 is a deficient number, since it is larger than the sum of its proper divisors (1).

28628481859979 is an equidigital number, since it uses as much as digits as its factorization.

28628481859979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10032906240, while the sum is 86.

The spelling of 28628481859979 in words is "twenty-eight trillion, six hundred twenty-eight billion, four hundred eighty-one million, eight hundred fifty-nine thousand, nine hundred seventy-nine".