28963284770898 has 32 divisors (see below), whose sum is σ = 65932680784320. Its totient is φ = 9418954396320.

The previous prime is 28963284770891. The next prime is 28963284770947. The reversal of 28963284770898 is 89807748236982.

28963284770898 is a `hidden beast` number, since 2 + 8 + 9 + 63 + 2 + 8 + 477 + 0 + 89 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (28963284770891) 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, 6540938340 + ... + 6540942767.

It is an arithmetic number, because the mean of its divisors is an integer number (2060396274510).

Almost surely, 2^{28963284770898} is an apocalyptic number.

28963284770898 is an abundant number, since it is smaller than the sum of its proper divisors (36969396013422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28963284770898 is a wasteful number, since it uses less digits than its factorization.

28963284770898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13081881159 (or 13081881153 counting only the distinct ones).

The product of its (nonzero) digits is 4682022912, while the sum is 81.

The spelling of 28963284770898 in words is "twenty-eight trillion, nine hundred sixty-three billion, two hundred eighty-four million, seven hundred seventy thousand, eight hundred ninety-eight".