28963275012 has 72 divisors (see below), whose sum is σ = 83687700096. Its totient is φ = 8273637504.

The previous prime is 28963274987. The next prime is 28963275013. The reversal of 28963275012 is 21057236982.

28963275012 is a `hidden beast` number, since 2 + 8 + 9 + 632 + 7 + 5 + 0 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (28963275013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2144593 + ... + 2158055.

It is an arithmetic number, because the mean of its divisors is an integer number (1162329168).

Almost surely, 2^28963275012 is an apocalyptic number.

It is an amenable number.

28963275012 is an abundant number, since it is smaller than the sum of its proper divisors (54724425084).

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

28963275012 is a wasteful number, since it uses less digits than its factorization.

28963275012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22017 (or 22012 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 28963275012 in words is "twenty-eight billion, nine hundred sixty-three million, two hundred seventy-five thousand, twelve".