28288770633 has 12 divisors (see below), whose sum is σ = 41055217008. Its totient is φ = 18769799160.

The previous prime is 28288770611. The next prime is 28288770647. The reversal of 28288770633 is 33607788282.

It is not a de Polignac number, because 28288770633 - 2⁶ = 28288770569 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28288770633.

It is not an unprimeable number, because it can be changed into a prime (28288870633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7446435 + ... + 7450232.

It is an arithmetic number, because the mean of its divisors is an integer number (3421268084).

Almost surely, 2^28288770633 is an apocalyptic number.

It is an amenable number.

28288770633 is a deficient number, since it is larger than the sum of its proper divisors (12766446375).

28288770633 is a wasteful number, since it uses less digits than its factorization.

28288770633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14896884 (or 14896881 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 28288770633 in words is "twenty-eight billion, two hundred eighty-eight million, seven hundred seventy thousand, six hundred thirty-three".