28739314086 has 36 divisors (see below), whose sum is σ = 66869657388. Its totient is φ = 8210402088.

The previous prime is 28739314081. The next prime is 28739314111. The reversal of 28739314086 is 68041393782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28739314081) 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 in 17 ways as a sum of consecutive naturals, for example, 2901835 + ... + 2911721.

It is an arithmetic number, because the mean of its divisors is an integer number (1857490483).

Almost surely, 2^28739314086 is an apocalyptic number.

28739314086 is an abundant number, since it is smaller than the sum of its proper divisors (38130343302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28739314086 is an frugal number, since it uses more digits than its factorization.

28739314086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19793 (or 9899 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 28739314086 in words is "twenty-eight billion, seven hundred thirty-nine million, three hundred fourteen thousand, eighty-six".