28288785363 has 16 divisors (see below), whose sum is σ = 37774667520. Its totient is φ = 18831073184.

The previous prime is 28288785361. The next prime is 28288785367. The reversal of 28288785363 is 36358788282.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28288785363 - 2¹ = 28288785361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28288785297 and 28288785306.

It is not an unprimeable number, because it can be changed into a prime (28288785361) 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, 10621570 + ... + 10624232.

It is an arithmetic number, because the mean of its divisors is an integer number (2360916720).

Almost surely, 2^28288785363 is an apocalyptic number.

28288785363 is a deficient number, since it is larger than the sum of its proper divisors (9485882157).

28288785363 is a wasteful number, since it uses less digits than its factorization.

28288785363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618.

The product of its digits is 30965760, while the sum is 60.

The spelling of 28288785363 in words is "twenty-eight billion, two hundred eighty-eight million, seven hundred eighty-five thousand, three hundred sixty-three".