28326707226 has 24 divisors (see below), whose sum is σ = 61388102880. Its totient is φ = 9440147976.

The previous prime is 28326707209. The next prime is 28326707257. The reversal of 28326707226 is 62270762382.

It is a Curzon number.

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, 89196 + ... + 254183.

It is an arithmetic number, because the mean of its divisors is an integer number (2557837620).

Almost surely, 2^28326707226 is an apocalyptic number.

28326707226 is an abundant number, since it is smaller than the sum of its proper divisors (33061395654).

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

28326707226 is a wasteful number, since it uses less digits than its factorization.

28326707226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347970 (or 347967 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 28326707226 in words is "twenty-eight billion, three hundred twenty-six million, seven hundred seven thousand, two hundred twenty-six".