28265302080794 has 16 divisors (see below), whose sum is σ = 44896555665000. Its totient is φ = 13299954092544.

The previous prime is 28265302080751. The next prime is 28265302080817. The reversal of 28265302080794 is 49708020356282.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22508733569569 + 5756568511225 = 4744337^2 + 2399285^2 .

It is a super-2 number, since 2×28265302080794² (a number of 28 digits) contains 22 as substring.

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, 42305339 + ... + 42968270.

Almost surely, 2^{28265302080794} is an apocalyptic number.

28265302080794 is a deficient number, since it is larger than the sum of its proper divisors (16631253584206).

28265302080794 is a wasteful number, since it uses less digits than its factorization.

28265302080794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85283377.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 28265302080794 in words is "twenty-eight trillion, two hundred sixty-five billion, three hundred two million, eighty thousand, seven hundred ninety-four".