28300071834 has 24 divisors (see below), whose sum is σ = 63431196660. Its totient is φ = 9108068928.

The previous prime is 28300071823. The next prime is 28300071857. The reversal of 28300071834 is 43817000382.

It can be written as a sum of positive squares in 2 ways, for example, as 27673320609 + 626751225 = 166353^2 + 25035^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27106827 + ... + 27107870.

Almost surely, 2^28300071834 is an apocalyptic number.

28300071834 is an abundant number, since it is smaller than the sum of its proper divisors (35131124826).

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

28300071834 is a wasteful number, since it uses less digits than its factorization.

28300071834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54214734 (or 54214731 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 28300071834 in words is "twenty-eight billion, three hundred million, seventy-one thousand, eight hundred thirty-four".