28305102834 has 40 divisors (see below), whose sum is σ = 63677175408. Its totient is φ = 9397431000.

The previous prime is 28305102827. The next prime is 28305102863. The reversal of 28305102834 is 43820150382.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 307392 + ... + 388715.

Almost surely, 2^28305102834 is an apocalyptic number.

28305102834 is an abundant number, since it is smaller than the sum of its proper divisors (35372072574).

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

28305102834 is a wasteful number, since it uses less digits than its factorization.

28305102834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696372 (or 696363 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 28305102834 in words is "twenty-eight billion, three hundred five million, one hundred two thousand, eight hundred thirty-four".