28060786338 has 32 divisors (see below), whose sum is σ = 62522712000. Its totient is φ = 8336360256.

The previous prime is 28060786337. The next prime is 28060786349. The reversal of 28060786338 is 83368706082.

It is not an unprimeable number, because it can be changed into a prime (28060786337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6200388 + ... + 6204911.

It is an arithmetic number, because the mean of its divisors is an integer number (1953834750).

Almost surely, 2^28060786338 is an apocalyptic number.

28060786338 is an abundant number, since it is smaller than the sum of its proper divisors (34461925662).

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

28060786338 is a wasteful number, since it uses less digits than its factorization.

28060786338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405346.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 28060786338 in words is "twenty-eight billion, sixty million, seven hundred eighty-six thousand, three hundred thirty-eight".