28332805908122 has 16 divisors (see below), whose sum is σ = 43218080685000. Its totient is φ = 13927017330240.

The previous prime is 28332805908091. The next prime is 28332805908137. The reversal of 28332805908122 is 22180950823382.

It can be written as a sum of positive squares in 4 ways, for example, as 19773149783401 + 8559656124721 = 4446701^2 + 2925689^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59340497 + ... + 59816052.

Almost surely, 2^{28332805908122} is an apocalyptic number.

28332805908122 is a deficient number, since it is larger than the sum of its proper divisors (14885274776878).

28332805908122 is a wasteful number, since it uses less digits than its factorization.

28332805908122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119158561.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 28332805908122 in words is "twenty-eight trillion, three hundred thirty-two billion, eight hundred five million, nine hundred eight thousand, one hundred twenty-two".