28748722335794 has 16 divisors (see below), whose sum is σ = 44300940310296. Its totient is φ = 13981959216000.

The previous prime is 28748722335793. The next prime is 28748722335857. The reversal of 28748722335794 is 49753322784782.

It can be written as a sum of positive squares in 4 ways, for example, as 27720804153025 + 1027918182769 = 5265055^2 + 1013863^2 .

It is a super-3 number, since 3×28748722335794³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (28748722335793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53979107 + ... + 54509094.

Almost surely, 2^{28748722335794} is an apocalyptic number.

28748722335794 is a deficient number, since it is larger than the sum of its proper divisors (15552217974502).

28748722335794 is a wasteful number, since it uses less digits than its factorization.

28748722335794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108491821.

The product of its digits is 1137991680, while the sum is 71.

The spelling of 28748722335794 in words is "twenty-eight trillion, seven hundred forty-eight billion, seven hundred twenty-two million, three hundred thirty-five thousand, seven hundred ninety-four".