28464266808 has 64 divisors (see below), whose sum is σ = 79468884000. Its totient is φ = 9439911936.

The previous prime is 28464266807. The next prime is 28464266813. The reversal of 28464266808 is 80866246482.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28464266807) 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, 291913 + ... + 377016.

Almost surely, 2^28464266808 is an apocalyptic number.

It is an amenable number.

28464266808 is an abundant number, since it is smaller than the sum of its proper divisors (51004617192).

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

28464266808 is a wasteful number, since it uses less digits than its factorization.

28464266808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669141 (or 669131 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 28464266808 in words is "twenty-eight billion, four hundred sixty-four million, two hundred sixty-six thousand, eight hundred eight".