28650808743 has 16 divisors (see below), whose sum is σ = 38687846400. Its totient is φ = 18858691616.

The previous prime is 28650808723. The next prime is 28650808777. The reversal of 28650808743 is 34780805682.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28650808743 - 2¹⁸ = 28650546599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28650808723) 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, 117255 + ... + 266552.

It is an arithmetic number, because the mean of its divisors is an integer number (2417990400).

Almost surely, 2^28650808743 is an apocalyptic number.

28650808743 is a deficient number, since it is larger than the sum of its proper divisors (10037037657).

28650808743 is a wasteful number, since it uses less digits than its factorization.

28650808743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384126.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 28650808743 in words is "twenty-eight billion, six hundred fifty million, eight hundred eight thousand, seven hundred forty-three".