28954674816 has 32 divisors (see below), whose sum is σ = 76910856000. Its totient is φ = 9651558144.

The previous prime is 28954674811. The next prime is 28954674863. The reversal of 28954674816 is 61847645982.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28954674816.

It is not an unprimeable number, because it can be changed into a prime (28954674811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37701016 + ... + 37701783.

It is an arithmetic number, because the mean of its divisors is an integer number (2403464250).

Almost surely, 2^28954674816 is an apocalyptic number.

It is an amenable number.

28954674816 is an abundant number, since it is smaller than the sum of its proper divisors (47956181184).

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

28954674816 is an equidigital number, since it uses as much as digits as its factorization.

28954674816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75402816 (or 75402804 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 28954674816 in words is "twenty-eight billion, nine hundred fifty-four million, six hundred seventy-four thousand, eight hundred sixteen".