28673870800 has 60 divisors (see below), whose sum is σ = 68961144736. Its totient is φ = 11457532800.

The previous prime is 28673870791. The next prime is 28673870801. The reversal of 28673870800 is 807837682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28673870801) 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, 349735 + ... + 423865.

Almost surely, 2^28673870800 is an apocalyptic number.

28673870800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28673870800 is an abundant number, since it is smaller than the sum of its proper divisors (40287273936).

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

28673870800 is a wasteful number, since it uses less digits than its factorization.

28673870800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75116 (or 75105 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 28673870800 in words is "twenty-eight billion, six hundred seventy-three million, eight hundred seventy thousand, eight hundred".