28619147587 has 2 divisors, whose sum is σ = 28619147588. Its totient is φ = 28619147586.

The previous prime is 28619147569. The next prime is 28619147657. The reversal of 28619147587 is 78574191682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28619147587 - 2²⁷ = 28484929859 is a prime.

It is not a weakly prime, because it can be changed into another prime (28619147087) 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 as a sum of consecutive naturals, namely, 14309573793 + 14309573794.

It is an arithmetic number, because the mean of its divisors is an integer number (14309573794).

Almost surely, 2^28619147587 is an apocalyptic number.

28619147587 is a deficient number, since it is larger than the sum of its proper divisors (1).

28619147587 is an equidigital number, since it uses as much as digits as its factorization.

28619147587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 58.

The spelling of 28619147587 in words is "twenty-eight billion, six hundred nineteen million, one hundred forty-seven thousand, five hundred eighty-seven".